{"id":19249,"date":"2021-12-17T12:57:47","date_gmt":"2021-12-17T05:57:47","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=19249"},"modified":"2021-12-17T12:57:49","modified_gmt":"2021-12-17T05:57:49","slug":"so-gan-dung-sai-so","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/so-gan-dung-sai-so\/","title":{"rendered":"S\u1ed0 G\u1ea6N \u0110\u00daNG, SAI S\u1ed0"},"content":{"rendered":"

I. L\u00dd THUY\u1ebeT<\/strong><\/p>\n

1. S\u1ed1 g\u1ea7n \u0111\u00fang<\/strong>.<\/p>\n

Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p ta kh\u00f4ng th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb \u0111\u00fang c\u1ee7a \u0111\u1ea1i l\u01b0\u1ee3ng m\u00e0 ta ch\u1ec9 bi\u1ebft s\u1ed1 g\u1ea7n \u0111\u00fang c\u1ee7a n\u00f3.<\/p>\n

V\u00ed d\u1ee5:<\/strong> gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_256\" l\u00e0 3,14 hay 3,14159; c\u00f2n \u0111\u1ed1i v\u1edbi \"IMG_258\" l\u00e0 1,41 hay 1,414;.Nh\u01b0 v\u1eady c\u00f3 s\u1ef1 sai l\u1ec7ch gi\u1eefa gi\u00e1 tr\u1ecb ch\u00ednh x\u00e1c c\u1ee7a m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng v\u00e0 gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a n\u00f3. \u0110\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 sai l\u1ec7ch \u0111\u00f3, ng\u01b0\u1eddi ta \u0111\u01b0a ra kh\u00e1i ni\u1ec7m sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i.<\/p>\n

2. Sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i:<\/strong><\/p>\n

a) Sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang<\/strong><\/p>\n

N\u1ebfu a<\/em> l\u00e0 s\u1ed1 g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_260\" th\u00ec \"IMG_262\" = \"IMG_263\" \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i<\/em><\/strong> c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang a<\/em>.<\/p>\n

\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u1ed9t s\u1ed1 g\u1ea7n \u0111\u00fang<\/strong><\/p>\n

Trong th\u1ef1c t\u1ebf, nhi\u1ec1u khi ta kh\u00f4ng bi\u1ebft \"IMG_264\" n\u00ean ta kh\u00f4ng t\u00ednh \u0111\u01b0\u1ee3c \"IMG_266\" . Tuy nhi\u00ean ta c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 \"IMG_267\" kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng d n\u00e0o \u0111\u00f3.<\/p>\n

N\u1ebfu \"IMG_268\" th\u00ec \"IMG_269\" , khi \u0111\u00f3 ta vi\u1ebft \"IMG_271\"<\/p>\n

d g\u1ecdi l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang<\/em>.<\/p>\n

b) Sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i<\/strong><\/p>\n

Sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang a, k\u00ed hi\u1ec7u l\u00e0 <\/strong>\u03b4a<\/sub><\/em> l\u00e0 t\u1ec9 s\u1ed1 gi\u1eefa sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i v\u00e0 \"IMG_272\" , t\u1ee9c l\u00e0 \u03b4a<\/sub><\/em> = \"IMG_274\" .<\/p>\n

Nh\u1eadn x\u00e9t: N\u1ebfu \"IMG_276\" th\u00ec \"IMG_277\" \u2264 d suy ra \"IMG_278\". <\/sub>Do \u0111\u00f3 \"IMG_280\" c\u00e0ng nh\u1ecf th\u00ec ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ph\u00e9p \u0111o \u0111\u1eb7c hay t\u00ednh to\u00e1n c\u00e0ng cao.<\/p>\n

3. Quy tr\u00f2n s\u1ed1 g\u1ea7n \u0111\u00fang<\/strong><\/p>\n

Nguy\u00ean t\u1eafc quy tr\u00f2n c\u00e1c s\u1ed1 nh\u01b0 sau:<\/strong><\/p>\n

N\u1ebfu ch\u1eef s\u1ed1 ngay sau h\u00e0ng quy tr\u00f2n<\/strong> nh\u1ecf h\u01a1n 5 th\u00ec ta ch\u1ec9 vi\u1ec7c thay ch\u1eef s\u1ed1 \u0111\u00f3 v\u00e0 c\u00e1c ch\u1eef s\u1ed1 b\u00ean ph\u1ea3i n\u00f3 b\u1edfi 0.<\/p>\n

N\u1ebfu ch\u1eef s\u1ed1 ngay sau h\u00e0ng quy tr\u00f2n<\/strong> l\u1edbn h\u01a1n hay b\u1eb1ng 5 th\u00ec ta thay ch\u1eef s\u1ed1 \u0111\u00f3 v\u00e0 c\u00e1c ch\u1eef s\u1ed1 b\u00ean ph\u1ea3i n\u00f3 b\u1edfi 0 v\u00e0 c\u1ed9ng th\u00eam m\u1ed9t \u0111\u01a1n v\u1ecb v\u00e0o s\u1ed1 h\u00e0ng l\u00e0m tr\u00f2n.<\/p>\n

Nh\u1eadn x\u00e9t:<\/em><\/strong> Khi thay s\u1ed1 \u0111\u00fang b\u1edfi s\u1ed1 qui tr\u00f2n \u0111\u1ebfn m\u1ed9t h\u00e0ng s\u1ed1 n\u00e0o \u0111\u00f3 th\u00ec sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a s\u1ed1 qui tr\u00f2n kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 n\u1eeda \u0111\u01a1n v\u1ecb c\u1ee7a h\u00e0ng qui tr\u00f2n.<\/p>\n

Nh\u01b0 v\u1eady, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a s\u1ed1 qui tr\u00f2n b\u1eb1ng n\u1eeda \u0111\u01a1n v\u1ecb c\u1ee7a h\u00e0ng qui tr\u00f2n.<\/p>\n

Ch\u00fa \u00fd:<\/em> C\u00e1c vi\u1ebft s\u1ed1 quy tr\u00f2n c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang c\u0103n c\u1ee9 v\u00e0o \u0111\u1ed9 ch\u00ednh x\u00e1c cho tr\u01b0\u1edbc<\/strong>.<\/p>\n

Cho s\u1ed1 g\u1ea7n \u0111\u00fang a<\/em> v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c d<\/em>. Khi \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u quy tr\u00f2n a<\/em> m\u00e0 kh\u00f4ng n\u00f3i r\u00f5 quy tr\u00f2n \u0111\u1ebfn h\u00e0ng n\u00e0o th\u00ec ta quy tr\u00f2n a<\/em> \u0111\u1ebfn h\u00e0ng cao nh\u1ea5t m\u00e0 d<\/em> nh\u1ecf h\u01a1n m\u1ed9t \u0111\u01a1n v\u1ecb<\/strong> c\u1ee7a h\u00e0ng \u0111\u00f3.<\/p>\n

4. Ch\u1eef s\u1ed1 ch\u1eafc (\u0111\u00e1ng tin)<\/strong><\/p>\n

Cho s\u1ed1 g\u1ea7n \u0111\u00fang a<\/em> c\u1ee7a s\u1ed1 \"IMG_281\" v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c d<\/em>. Trong s\u1ed1 a<\/em> m\u1ed9t ch\u1eef s\u1ed1 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1eef s\u1ed1 ch\u1eafc (<\/strong>hay \u0111\u00e1ng tin<\/strong>) n\u1ebfu d kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 n\u1eeda \u0111\u01a1n v\u1ecb c\u1ee7a h\u00e0ng c\u00f3 ch\u1eef s\u1ed1 \u0111\u00f3.<\/p>\n

Nh\u1eadn x\u00e9t: T\u1ea5t c\u1ea3 c\u00e1 ch\u1eef s\u1ed1 \u0111\u1ee9ng b\u00ean tr\u00e1i ch\u1eef s\u1ed1 ch\u1eafc \u0111\u1ec1u l\u00e0 ch\u1eef s\u1ed1 ch\u1eafc. T\u1ea5t c\u1ea3 c\u00e1c ch\u1eef s\u1ed1 \u0111\u1ee9ng b\u00ean ph\u1ea3i ch\u1eef s\u1ed1 kh\u00f4ng ch\u1eafc \u0111\u1ec1u l\u00e0 ch\u1eef s\u1ed1 kh\u00f4ng ch\u1eafc.<\/p>\n

5. D\u1ea1ng chu\u1ea9n c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang<\/strong><\/p>\n

N\u1ebfu s\u1ed1 g\u1ea7n \u0111\u00fang l\u00e0 s\u1ed1 th\u1eadp ph\u00e2n kh\u00f4ng nguy\u00ean th\u00ec d\u1ea1ng chu\u1ea9n l\u00e0 d\u1ea1ng m\u00e0 m\u1ecdi ch\u1eef s\u1ed1 c\u1ee7a n\u00f3 \u0111\u1ec1u l\u00e0 ch\u1eef ch\u1eafc ch\u1eafn.<\/p>\n

N\u1ebfu s\u1ed1 g\u1ea7n \u0111\u00fang l\u00e0 s\u1ed1 nguy\u00ean th\u00ec d\u1ea1ng chu\u1ea9n c\u1ee7a n\u00f3 l\u00e0: A10k<\/sup> trong \u0111\u00f3 A l\u00e0 s\u1ed1 nguy\u00ean, k l\u00e0 h\u00e0ng th\u1ea5p nh\u1ea5t c\u00f3 ch\u1eef s\u1ed1 ch\u1eafc \"IMG_282\" . (suy ra m\u1ecdi ch\u1eef s\u1ed1 c\u1ee7a A \u0111\u1ec1u l\u00e0 ch\u1eef s\u1ed1 ch\u1eafc ch\u1eafn).<\/p>\n

Khi \u0111\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c \"IMG_283\" .<\/p>\n

6. K\u00ed hi\u1ec7u khoa h\u1ecdc c\u1ee7a m\u1ed9t s\u1ed1<\/strong><\/p>\n

M\u1ecdi s\u1ed1 th\u1eadp ph\u00e2n kh\u00e1c 0 \u0111\u1ec1u vi\u1ebft \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng \"IMG_284\" , \"IMG_285\" 1\u2264 \"IMG_286\" <10, \"IMG_287\" (Quy \u01b0\u1edbc \"IMG_288\" ) d\u1ea1ng nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 k\u00ed hi\u1ec7u khoa h\u1ecdc<\/strong> c\u1ee7a s\u1ed1 \u0111\u00f3.<\/p>\n

II. D\u1ea0NG TO\u00c1N<\/strong><\/p>\n

1. Da\u0323ng 1:<\/strong> T\u00ednh sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u1ed9t s\u1ed1 g\u1ea7n \u0111\u00fang<\/strong>.<\/p>\n

A. V\u00cd D\u1ee4 MINH H\u1eccA<\/strong><\/p>\n

    \n
  1. K\u1ebft qu\u1ea3 \u0111o chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed9t c\u00e2y c\u1ea7u \u0111\u01b0\u1ee3c ghi l\u00e0 \"IMG_289\" , \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/li>\n<\/ol>\n

    A. <\/strong>Chi\u1ec1u d\u00e0i \u0111\u00fang c\u1ee7a c\u00e2y c\u1ea7u l\u00e0 m\u1ed9t s\u1ed1 n\u1eb1m trong kho\u1ea3ng t\u1eeb \"IMG_290\" \u0111\u1ebfn \"IMG_291\" .<\/p>\n

    B. <\/strong>Chi\u1ec1u d\u00e0i \u0111\u00fang c\u1ee7a c\u00e2y c\u1ea7u l\u00e0 m\u1ed9t s\u1ed1 l\u1edbn h\u01a1n 152 m.<\/p>\n

    C. <\/strong>Chi\u1ec1u d\u00e0i \u0111\u00fang c\u1ee7a c\u00e2y c\u1ea7u l\u00e0 m\u1ed9t s\u1ed1 nh\u1ecf h\u01a1n 152 m.<\/p>\n

    D. <\/strong>Chi\u1ec1u d\u00e0i \u0111\u00fang c\u1ee7a c\u00e2y c\u1ea7u l\u00e0 151,8 m ho\u1eb7c l\u00e0 152,2 m.<\/p>\n

    Gi\u1ea3i<\/strong><\/p>\n

    K\u1ebft qu\u1ea3 \u0111o chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed9t c\u00e2y c\u1ea7u \u0111\u01b0\u1ee3c ghi l\u00e0 \"IMG_292\" c\u00f3 ngh\u0129a l\u00e0 chi\u1ec1u d\u00e0i \u0111\u00fang c\u1ee7a c\u00e2y c\u1ea7u l\u00e0 m\u1ed9t s\u1ed1 n\u1eb1m trong kho\u1ea3ng t\u1eeb \"IMG_293\" \u0111\u1ebfn \"IMG_294\" .<\/p>\n

      \n
    1. Khi t\u00ednh di\u1ec7n t\u00edch h\u00ecnh tr\u00f2n b\u00e1n k\u00ednh R = 3cm, n\u1ebfu l\u1ea5y \"IMG_295\" th\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 bao nhi\u00eau?<\/li>\n<\/ol>\n

      A. <\/strong> \"IMG_296\" . B. <\/strong> \"IMG_297\" . C. <\/strong> \"IMG_298\" . D. <\/strong> \"IMG_299\"<\/p>\n

      Gi\u1ea3i<\/strong><\/p>\n

      Ta c\u00f3 di\u1ec7n t\u00edch h\u00ecnh tr\u00f2n S = 3,14. 32<\/sup> v\u00e0 \"IMG_300\" . 32<\/sup> = \"IMG_301\"<\/p>\n

      Ta c\u00f3: \"IMG_302\"<\/p>\n

      Do \u0111\u00f3: \"IMG_303\"<\/p>\n

      V\u1eady n\u1ebfu ta l\u1ea5y \"IMG_304\" th\u00ec di\u1ec7n t\u00edch h\u00ecnh tr\u00f2n l\u00e0 S = 28,26cm2<\/sup> v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \"IMG_305\" .<\/p>\n

        \n
      1. Cho gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_306\" l\u00e0 0,47. Sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a 0,47 l\u00e0:<\/li>\n<\/ol>\n

        A. <\/strong>0,001. B. <\/strong>0,002. C. <\/strong>0,003. D. <\/strong>0,004<\/p>\n

        Gi\u1ea3i<\/strong><\/p>\n

        Ta c\u00f3 \"IMG_307\" suy ra sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a 0,47 l\u00e0 0,001.<\/p>\n

        B. B\u00c0I T\u1eacP T\u1ef0 LUY\u1ec6N<\/strong>.<\/p>\n

          \n
        1. Cho gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_308\" l\u00e0 0,429. Sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a 0,429 l\u00e0:<\/li>\n<\/ol>\n

          A. <\/strong>0,0001. B. <\/strong>0,0002. C. <\/strong>0,0004. D. <\/strong>0,0005.<\/p>\n

            \n
          1. N\u1ebfu l\u1ea5y 3,14 l\u00e0m gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a p th\u00ec sai s\u1ed1 l\u00e0:<\/li>\n<\/ol>\n

            A. <\/strong>0,001. B. <\/strong>0,002. C. <\/strong>0,003. D. <\/strong>0,004.<\/p>\n

              \n
            1. Cho gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_309\" l\u00e0 3,28. Sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a s\u1ed1 3,28 l\u00e0:<\/li>\n<\/ol>\n

              A. <\/strong>0,04. B. <\/strong> \"IMG_310\" . C. <\/strong>0,06. D. <\/strong>\u0110\u00e1p \u00e1n kh\u00e1c.<\/p>\n

                \n
              1. Tr\u00e1i \u0111\u1ea5t quay m\u1ed9t v\u00f2ng quanh m\u1eb7t tr\u1eddi l\u00e0 365 ng\u00e0y. K\u1ebft qu\u1ea3 n\u00e0y c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 \"IMG_311\" ng\u00e0y. Sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i l\u00e0:<\/li>\n<\/ol>\n

                A. <\/strong> \"IMG_312\" . B. <\/strong> \"IMG_313\" . C. <\/strong> \"IMG_314\" . D. <\/strong>\u0110\u00e1p \u00e1n kh\u00e1c.<\/p>\n

                  \n
                1. Ng\u01b0\u1eddi ta \u0111\u00f3ng bao m\u1ed9t v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng b\u1eb1ng m\u00e1y, tr\u1ecdng l\u01b0\u1ee3ng m\u1ed7i bao l\u00e0 T = 50 \"IMG_315\" 1 (kg). Trong s\u1ed1<\/li>\n<\/ol>\n

                  c\u00e1c bao \u0111\u01b0\u1ee3c ki\u1ec3m tra sau \u0111\u00e2y bao n\u00e0o kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n v\u1ec1 tr\u1ecdng l\u01b0\u1ee3ng?<\/p>\n

                  A. <\/strong>49kg. B. <\/strong>48,5kg. C. <\/strong>49,5kg. D. <\/strong>51kg.<\/p>\n

                    \n
                  1. M\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt c\u1ed1 c\u00e1c c\u1ea1nh: x = 4,2m \u00b1 1cm, y = 7m \u00b1 2cm. Chu vi c\u1ee7a h\u00ecnh ch\u1eef nh\u1eadt v\u00e0 sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a gi\u00e1 tr\u1ecb \u0111\u00f3.<\/li>\n<\/ol>\n

                    A. <\/strong>22,4m v\u00e0 3cm. B. <\/strong>22,4m v\u00e0 1cm. C. <\/strong>22,4m v\u00e0 2cm. D. <\/strong>22,4m v\u00e0 6cm.<\/p>\n

                      \n
                    1. M\u1ed9t h\u00ecnh h\u1ed9p ch\u1eef nh\u1eadt c\u00f3 k\u00edch th\u01b0\u1edbc x = 3m \u00b1 1cm, y = 5m \u00b1 2cm, z = 4m \u00b1 2cm. Sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a th\u1ec3 t\u00edch l\u00e0:<\/li>\n<\/ol>\n

                      A. <\/strong>0,72cm3<\/sup>. B. <\/strong>0,73cm3<\/sup>. C. <\/strong>0,74cm3<\/sup>. D. <\/strong>0,75cm3<\/sup>.<\/p>\n

                        \n
                      1. H\u00ecnh ch\u1eef nh\u1eadt c\u00f3 c\u00e1c c\u1ea1nh: x = 2m \u00b1 1cm, y = 5m \u00b1 2cm. Di\u1ec7n t\u00edch h\u00ecnh ch\u1eef nh\u1eadt v\u00e0 sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a gi\u00e1 tr\u1ecb \u0111\u00f3 l\u00e0:<\/li>\n<\/ol>\n

                        A. <\/strong>10m2<\/sup> v\u00e0 900cm2<\/sup>. B. <\/strong>10m2<\/sup> v\u00e0 500cm2<\/sup>. C. <\/strong>10m2<\/sup> v\u00e0 400cm2<\/sup>. D. <\/strong>10m2<\/sup> v\u00e0 1404cm2<\/sup>.<\/p>\n

                          \n
                        1. Cho s\u1ed1 \"IMG_316\" . Cho c\u00e1c gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a x l\u00e0 0,28; 0,29; 0,286; 0,287. Gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t<\/li>\n<\/ol>\n

                          A. <\/strong>0,28. B. <\/strong>0,29. C. <\/strong>0.286. D. <\/strong>0,3.<\/p>\n

                            \n
                          1. M\u1ed9t h\u00ecnh h\u1ed9p ch\u1eef nh\u1eadt c\u00f3 k\u00edch th\u01b0\u1edbc x = 3m \u00b1 1cm, y = 5m \u00b1 2cm, z = 4m \u00b1 2cm. Sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a th\u1ec3 t\u00edch l\u00e0:<\/li>\n<\/ol>\n

                            A. <\/strong>0,72cm3<\/sup>. B. <\/strong>0,73cm3<\/sup>. C. <\/strong>0,74cm3<\/sup>. D. <\/strong>0,75cm3<\/sup>.<\/p>\n

                              \n
                            1. Cho tam gi\u00e1c ABC c\u00f3 \u0111\u1ed9 d\u00e0i ba c\u1ea1nh \"IMG_317\" ; \"IMG_318\" ; \"IMG_319\" . T\u00ednh chu vi P c\u1ee7a tam gi\u00e1c \u0111\u00f3.<\/li>\n<\/ol>\n

                              A. <\/strong> \"IMG_320\" . B. <\/strong> \"IMG_321\" .<\/p>\n

                              C. <\/strong> \"IMG_322\" . D. <\/strong> \"IMG_323\"<\/p>\n

                              2. D\u1ea1ng 2: Sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang<\/strong><\/p>\n

                              A. <\/strong>V\u00cd D\u1ee4 MINH H\u1eccA<\/p>\n

                                \n
                              1. K\u1ebft qu\u1ea3 \u0111o chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed9t c\u00e2y c\u1ea7u \u0111\u01b0\u1ee3c ghi l\u00e0 \"IMG_324\" . T\u00ecm sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a ph\u00e9p \u0111o chi\u1ec1u d\u00e0i c\u00e2y c\u1ea7u.<\/li>\n<\/ol>\n

                                A. <\/strong> \"IMG_325\" . B. <\/strong> \"IMG_326\" . C. <\/strong> \"IMG_327\" . D. <\/strong> \"IMG_328\"<\/p>\n

                                Gi\u1ea3i<\/strong><\/p>\n

                                  \n
                                1. B\u1ea1n A \u0111o chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed9t s\u00e2n b\u00f3ng ghi \u0111\u01b0\u1ee3c \"IMG_329\" . B\u1ea1n B \u0111o chi\u1ec1u cao c\u1ee7a m\u1ed9t c\u1ed9t c\u1edd \u0111\u01b0\u1ee3c \"IMG_330\" . Trong 2 b\u1ea1n A v\u00e0 B, b\u1ea1n n\u00e0o c\u00f3 ph\u00e9p \u0111o ch\u00ednh x\u00e1c h\u01a1n v\u00e0 sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i trong ph\u00e9p \u0111o c\u1ee7a b\u1ea1n \u0111\u00f3 l\u00e0 bao nhi\u00eau?<\/li>\n<\/ol>\n

                                  A. <\/strong>B\u1ea1n A \u0111o ch\u00ednh x\u00e1c h\u01a1n b\u1ea1n B v\u1edbi sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 0,08%.<\/p>\n

                                  B. <\/strong>B\u1ea1n B \u0111o ch\u00ednh x\u00e1c h\u01a1n b\u1ea1n A v\u1edbi sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 0,08%.<\/p>\n

                                  C. <\/strong>Hai b\u1ea1n \u0111o ch\u00ednh x\u00e1c nh\u01b0 nhau v\u1edbi sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i b\u1eb1ng nhai l\u00e0 0,08%.<\/p>\n

                                  D. <\/strong>B\u1ea1n A \u0111o ch\u00ednh x\u00e1c h\u01a1n b\u1ea1n B v\u1edbi sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 0,06%.<\/p>\n

                                  Gi\u1ea3i<\/strong><\/p>\n

                                  Ph\u00e9p \u0111o c\u1ee7a b\u1ea1n A c\u00f3 sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i \"IMG_331\"<\/p>\n

                                  Ph\u00e9p \u0111o c\u1ee7a b\u1ea1n B c\u00f3 sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i \"IMG_332\"<\/p>\n

                                  Nh\u01b0 v\u1eady ph\u00e9p \u0111o c\u1ee7a b\u1ea1n A c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.<\/p>\n

                                    \n
                                  1. H\u00e3y x\u00e1c \u0111\u1ecbnh sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a s\u1ed1 \"IMG_333\" bi\u1ebft sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i \"IMG_334\"<\/li>\n<\/ol>\n

                                    A. <\/strong>146,912. B. <\/strong>617280. C. <\/strong>24691,2. D. <\/strong>61728000<\/p>\n

                                    Gi\u1ea3i<\/strong><\/p>\n

                                    Ta c\u00f3 \"IMG_335\" .<\/p>\n

                                    B. B\u00c0I T\u1eacP T\u1ef0 LUY\u1ec6N<\/strong>.<\/p>\n

                                      \n
                                    1. \u0110\u1ed9 d\u00e0i c\u1ee7a c\u1ea7u B\u1ebfn Th\u1ee7y 2 (Ngh\u1ec7 An) ng\u01b0\u1eddi ta \u0111o \u0111\u01b0\u1ee3c l\u00e0 \"IMG_336\" . Sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1i \u0111a trong ph\u00e9p \u0111o \u0111\u00f3 l\u00e0 bao nhi\u00eau?<\/li>\n<\/ol>\n

                                      A. <\/strong> \"IMG_337\" . B. <\/strong> \"IMG_338\" . C. <\/strong> \"IMG_339\" . D. <\/strong> \"IMG_340\" .<\/p>\n

                                        \n
                                      1. Cho \"IMG_341\" . Gi\u1ea3 s\u1eed ta l\u1ea5y s\u1ed1 \"IMG_342\" l\u00e0m gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_343\" . H\u00e3y t\u00ednh sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a a theo x.<\/li>\n<\/ol>\n

                                        A. <\/strong> \"IMG_344\" . B. <\/strong> \"IMG_345\" . C. <\/strong> \"IMG_346\" . D. <\/strong> \"IMG_347\" .<\/p>\n

                                          \n
                                        1. M\u1ed9t v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 t\u00edch l\u00e0 \"IMG_348\" . Sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang \u1ea5y l\u00e0:<\/li>\n<\/ol>\n

                                          A. <\/strong>0,01%. B. <\/strong>0,03%. C. <\/strong>0,04%. D. <\/strong>0,05%.<\/p>\n

                                            \n
                                          1. H\u00e3y x\u00e1c \u0111\u1ecbnh sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a s\u1ed1 \"IMG_349\" bi\u1ebft sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i \"IMG_350\"<\/li>\n<\/ol>\n

                                            A. <\/strong>0,0062179. B. <\/strong>0,00062179. C. <\/strong>0,062179. D. <\/strong>0,00248716.<\/p>\n

                                              \n
                                            1. H\u00ecnh ch\u1eef nh\u1eadt c\u00f3 c\u00e1c c\u1ea1nh: x = 2m \u00b1 1cm, y = 5m \u00b1 2cm. Di\u1ec7n t\u00edch h\u00ecnh ch\u1eef nh\u1eadt v\u00e0 sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a gi\u00e1 tr\u1ecb \u0111\u00f3 l\u00e0:<\/li>\n<\/ol>\n

                                              A. <\/strong>10m2<\/sup> v\u00e0 50<\/sup>\/00<\/sub>. B. <\/strong>10m2<\/sup> v\u00e0 40<\/sup>\/00<\/sub>. C. <\/strong>10m2<\/sup> v\u00e0 90<\/sup>\/00<\/sub>. D. <\/strong>10m2<\/sup> v\u00e0 200<\/sup>\/00<\/sub>.<\/p>\n

                                                \n
                                              1. H\u00ecnh ch\u1eef nh\u1eadt c\u00f3 c\u00e1c c\u1ea1nh: x = 2m \u00b1 1cm, y = 5m \u00b1 2cm. Chu vi h\u00ecnh ch\u1eef nh\u1eadt v\u00e0 sai s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a gi\u00e1 tr\u1ecb \u0111\u00f3 l\u00e0 :<\/li>\n<\/ol>\n

                                                A. <\/strong>22,4m v\u00e0 \"IMG_351\" . B. <\/strong>22,4m v\u00e0 \"IMG_352\" . C. <\/strong>22,4m v\u00e0 6cm. D. <\/strong>M\u1ed9t \u0111\u00e1p s\u1ed1 kh\u00e1c<\/p>\n

                                                3. D\u1ea1ng 3 : Quy tr\u00f2n s\u1ed1 g\u1ea7n \u0111\u00fang<\/strong><\/p>\n

                                                Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i<\/strong><\/p>\n

                                                T\u00f9y theo m\u1ee9c \u0111\u1ed9 cho ph\u00e9p, ta c\u00f3 th\u1ec3 quy tr\u00f2n m\u1ed9t s\u1ed1 \u0111\u1ebfm \u0111\u1ebfn h\u00e0ng \u0111\u01a1n v\u1ecb, hang ch\u1ee5c, hang tr\u0103m,\u2026 hay \u0111\u1ebfn h\u00e0ng ph\u1ea7n ch\u1ee5c, h\u00e0ng ph\u1ea7n tr\u0103m,\u2026 (g\u1ecdi l\u00e0 h\u00e0ng quy tr\u00f2n) theo nguy\u00ean t\u1eafc sau:<\/p>\n

                                                N\u1ebfu ch\u1eef s\u1ed1 ngay sau h\u00e0ng quy tr\u00f2n nh\u1ecf h\u01a1n 5 <\/em>th\u00ec ta ch\u1ec9 vi\u1ec7c thay th\u1ebf ch\u1eef s\u1ed1 \u0111\u00f3 v\u00e0 c\u00e1c ch\u1eef s\u1ed1 b\u00ean ph\u1ea3i n\u00f3 b\u1edfi s\u1ed1 0.<\/p>\n

                                                N\u1ebfu ch\u1eef s\u1ed1 ngay sau h\u00e0ng quy tr\u00f2n l\u1edbn h\u01a1n 5 <\/em>th\u00ec ta ch\u1ec9 vi\u1ec7c thay th\u1ebf ch\u1eef s\u1ed1 \u0111\u00f3 v\u00e0 c\u00e1c ch\u1eef s\u1ed1 b\u00ean ph\u1ea3i n\u00f3 b\u1edfi s\u1ed1 0 v\u00e0 c\u1ed9ng th\u00eam m\u1ed9t \u0111\u01a1n v\u1ecb \u1edf ch\u1eef s\u1ed1 \u1edf h\u00e0ng quy tr\u00f2n.<\/p>\n

                                                V\u00ed d\u1ee5<\/strong>: C\u00e1c s\u1ed1 quy tr\u00f2n c\u1ee7a s\u1ed1 x<\/em> theo t\u1eebng h\u00e0ng cho trong b\u1ea3ng sau:<\/p>\n\n\n\n\n\n
                                                Quy tr\u00f2n \u0111\u1ebfn<\/td>\nH\u00e0ng ch\u1ee5c<\/td>\nH\u00e0ng \u0111\u01a1n v\u1ecb<\/td>\nH\u00e0ng ph\u1ea7n ch\u1ee5c<\/td>\nH\u00e0ng ph\u1ea7n tr\u0103m<\/td>\nH\u00e0ng ph\u1ea7n ngh\u00ecn<\/td>\n<\/tr>\n
                                                x<\/em> = 549,2705<\/td>\n550<\/td>\n549<\/td>\n549,3<\/td>\n549,27<\/td>\n549,271<\/td>\n<\/tr>\n
                                                x <\/em>= 397,4619<\/td>\n400<\/td>\n397<\/td>\n397,5<\/td>\n397,46<\/td>\n397,462<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                Nh\u1eadn x\u00e9t:<\/strong><\/p>\n

                                                Khi thay s\u1ed1 \u0111\u00fang b\u1edfi s\u1ed1 quy tr\u00f2n th\u00ec sai s\u1ed1 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 n\u1eeda \u0111\u01a1n v\u1ecb<\/em> c\u1ee7a h\u00e0ng quy tr\u00f2n.<\/p>\n

                                                N\u1ebfu \"IMG_353\" th\u00ec ta quy tr\u00f2n s\u1ed1 \"IMG_354\" \u0111\u1ebfn h\u00e0ng l\u1edbn h\u01a1n h\u00e0ng c\u1ee7a \"IMG_355\" m\u1ed9t \u0111\u01a1n v\u1ecb.<\/p>\n

                                                A. V\u00cd D\u1ee4 MINH H\u1eccA<\/strong><\/p>\n

                                                  \n
                                                1. T\u00ecm s\u1ed1 g\u1ea7n \u0111\u00fang c\u1ee7a a = 2851275 v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c d = 300<\/li>\n<\/ol>\n

                                                  A. <\/strong>2851000. B. <\/strong>2851575. C. <\/strong>2850025. D. <\/strong>2851200<\/p>\n

                                                  Gi\u1ea3i<\/strong><\/p>\n

                                                  V\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn h\u00e0ng tr\u0103m<\/em> n\u00ean ta quy tr\u00f2n a \u0111\u1ebfn h\u00e0ng ngh\u00ecn<\/strong>, v\u1eady s\u1ed1 quy tr\u00f2n c\u1ee7a a l\u00e0 2851000.<\/p>\n

                                                    \n
                                                  1. T\u00ecm s\u1ed1 g\u1ea7n \u0111\u00fang c\u1ee7a a = 5,2463 v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c d = 0,001.<\/li>\n<\/ol>\n

                                                    A. <\/strong>5,25. B. <\/strong>5,24. C. <\/strong>5,246. D. <\/strong>5,2<\/p>\n

                                                    Gi\u1ea3i<\/strong><\/p>\n

                                                    V\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn h\u00e0ng ph\u1ea7n ngh\u00ecn<\/em> n\u00ean ta quy tr\u00f2n a \u0111\u1ebfn h\u00e0ng ph\u1ea7n tr\u0103m, <\/em>v\u1eady s\u1ed1 quy tr\u00f2n c\u1ee7a a l\u00e0 5,25.<\/p>\n

                                                      \n
                                                    1. S\u1eed d\u1ee5ng m\u00e3y t\u00ednh b\u1ecf t\u00fai, h\u00e3y vi\u1ebft gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_356\" ch\u00ednh x\u00e1c \u0111\u1ebfn h\u00e0ng ph\u1ea7n tr\u0103m<\/li>\n<\/ol>\n

                                                      A. <\/strong>1,73. B. <\/strong>1,732. C. <\/strong>1,7. D. <\/strong>1,7320<\/p>\n

                                                      Gi\u1ea3i<\/strong><\/p>\n

                                                      S\u1eed d\u1ee5ng m\u00e1y t\u00ednh b\u1ecf t\u00fai ta c\u00f3 \"IMG_357\" = 1,732050808. Do \u0111\u00f3: Gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_358\" ch\u00ednh x\u00e1c \u0111\u1ebfn h\u00e0ng ph\u1ea7n tr\u0103m l\u00e0 1,73.<\/p>\n

                                                        \n
                                                      1. S\u1eed d\u1ee5ng m\u00e3y t\u00ednh b\u1ecf t\u00fai, h\u00e3y vi\u1ebft gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_359\" ch\u00ednh x\u00e1c \u0111\u1ebfn h\u00e0ng ph\u1ea7n ngh\u00ecn.<\/li>\n<\/ol>\n

                                                        A. <\/strong>9,870. B. <\/strong>9,869. C. <\/strong>9,871. D. <\/strong>9,8696<\/p>\n

                                                        Gi\u1ea3i<\/strong><\/p>\n

                                                        S\u1eed d\u1ee5ng m\u00e1y t\u00ednh b\u1ecf t\u00fai ta c\u00f3 gi\u00e1 tr\u1ecb c\u1ee7a \"IMG_360\" l\u00e0 9,8696044. Do \u0111\u00f3 gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_361\" ch\u00ednh x\u00e1c \u0111\u1ebfn h\u00e0ng ph\u1ea7n ngh\u00ecn l\u00e0 9,870.<\/p>\n

                                                          \n
                                                        1. H\u00e3y vi\u1ebft s\u1ed1 quy tr\u00f2n c\u1ee7a s\u1ed1 a<\/em> v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c d<\/em> \u0111\u01b0\u1ee3c cho sau \u0111\u00e2y: \"IMG_362\" \"IMG_363\" = 17658 \u00b1 16.<\/li>\n<\/ol>\n

                                                          A. <\/strong>17700. B. <\/strong>17660. C. <\/strong>18000. D. <\/strong>17674<\/p>\n

                                                          Gi\u1ea3i<\/strong><\/p>\n

                                                          V\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn h\u00e0ng ch\u1ee5c n\u00ean ta ph\u1ea3i quy tr\u00f2n s\u1ed1 17638 \u0111\u1ebfn h\u00e0ng tr\u0103m. V\u1eady s\u1ed1 quy tr\u00f2n l\u00e0 17700 (hay vi\u1ebft \"IMG_364\" \u2248 17700).<\/p>\n

                                                          B. B\u00c0I T\u1eacP T\u1ef0 LUY\u1ec6N<\/strong>.<\/p>\n

                                                            \n
                                                          1. Cho s\u1ed1 g\u1ea7n \u0111\u00fang \"IMG_365\" v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \"IMG_366\" . H\u00e3y vi\u1ebft s\u1ed1 quy tr\u00f2n c\u1ee7a s\u1ed1 a<\/em><\/li>\n<\/ol>\n

                                                            A. <\/strong>23749000. B. <\/strong>23748000. C. <\/strong>23746000. D. <\/strong>23747000.<\/p>\n

                                                              \n
                                                            1. Cho gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a \"IMG_367\" l\u00e0 \"IMG_368\" v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \"IMG_369\" . H\u00e3y vi\u1ebft s\u1ed1 quy tr\u00f2n c\u1ee7a s\u1ed1 a<\/li>\n<\/ol>\n

                                                              A. <\/strong> \"IMG_370\" . B. <\/strong> \"IMG_371\" . C. <\/strong> \"IMG_372\" . D. <\/strong> \"IMG_373\" .<\/p>\n

                                                                \n
                                                              1. H\u00e3y vi\u1ebft s\u1ed1 quy tr\u00f2n c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang \"IMG_374\" bi\u1ebft \"IMG_375\"<\/li>\n<\/ol>\n

                                                                A. <\/strong>15,3. B. <\/strong>15,31. C. <\/strong>15,32. D. <\/strong>15,4.<\/p>\n

                                                                  \n
                                                                1. \u0110o \u0111\u1ed9 cao m\u1ed9t ng\u1ecdn c\u00e2y l\u00e0 \"IMG_376\" H\u00e3y vi\u1ebft s\u1ed1 quy tr\u00f2n c\u1ee7a s\u1ed1 g\u1ea7n \u0111\u00fang 347,13<\/li>\n<\/ol>\n

                                                                  A. <\/strong>345. B. <\/strong>347. C. <\/strong>348. D. <\/strong>346<\/p>\n","protected":false},"excerpt":{"rendered":"

                                                                  I. L\u00dd THUY\u1ebeT 1. S\u1ed1 g\u1ea7n \u0111\u00fang. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p ta kh\u00f4ng th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb \u0111\u00fang c\u1ee7a \u0111\u1ea1i l\u01b0\u1ee3ng m\u00e0 ta ch\u1ec9 bi\u1ebft s\u1ed1 g\u1ea7n \u0111\u00fang c\u1ee7a n\u00f3. V\u00ed d\u1ee5: gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang c\u1ee7a l\u00e0 3,14 hay 3,14159; c\u00f2n \u0111\u1ed1i v\u1edbi l\u00e0 1,41 hay 1,414;.Nh\u01b0 v\u1eady c\u00f3 s\u1ef1 sai l\u1ec7ch gi\u1eefa […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[41],"tags":[],"class_list":["post-19249","post","type-post","status-publish","format-standard","hentry","category-toan-lop-10"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/19249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=19249"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/19249\/revisions"}],"predecessor-version":[{"id":19363,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/19249\/revisions\/19363"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=19249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=19249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=19249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}