{"id":2657,"date":"2021-10-14T21:18:07","date_gmt":"2021-10-14T14:18:07","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=2657"},"modified":"2021-10-14T22:11:10","modified_gmt":"2021-10-14T15:11:10","slug":"cach-do-va-so-sanh-do%cc%a3-dai-doa%cc%a3n-tha%cc%89ng-hoc-tot-toan-6","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/cach-do-va-so-sanh-do%cc%a3-dai-doa%cc%a3n-tha%cc%89ng-hoc-tot-toan-6\/","title":{"rendered":"Ca\u0301ch \u0111o va\u0300 so sa\u0301nh \u0111\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng \u2013 H\u1ecdc t\u1ed1t to\u00e1n 6"},"content":{"rendered":"\n<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p>Trong ba\u0300i vi\u00ea\u0301t tr\u01b0\u01a1\u0301c, chu\u0301ng ta \u0111a\u0303 ti\u0300m hi\u00ea\u0309u ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c v\u00ea\u0300 \u0111oa\u0323n th\u0103\u0309ng. \u01a0\u0309 ba\u0300i vi\u00ea\u0301t na\u0300y, Vietlearn se\u0303 cu\u0300ng ba\u0323n ti\u00ea\u0301p tu\u0323c ti\u0300m hi\u00ea\u0309u v\u00ea\u0300 ca\u0301ch \u0111o va\u0300 so sa\u0301nh \u0111\u00f4\u0323 da\u0300i hai \u0111oa\u0323n th\u0103\u0309ng. \u0110\u00e2y la\u0300 ph\u00e2\u0300n ki\u00ea\u0301n th\u01b0\u0301c c\u01a1 ba\u0309n trong ch\u01b0\u01a1ng tri\u0300nh Toa\u0301n 6 ph\u00e2\u0300n hi\u0300nh ho\u0323c.<\/p>\n\n\n\n<p>Ca\u0301ch \u0111o \u0111\u1ed9 d\u00e0i \u0111o\u1ea1n th\u1eb3ng<\/p>\n\n\n\n<p>\u0110\u00ea\u0309 \u0111o \u0111\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng ng\u01b0\u01a1\u0300i ta s\u01b0\u0309 du\u0323ng th\u01b0\u01a1\u0301c \u0111o \u0111\u01a1n vi\u0323 mm.<\/p>\n\n\n\n<p>S\u01b0\u0309 du\u0323ng th\u01b0\u01a1\u0301c chia \u0111\u01a1n vi\u0323 \u0111\u00ea\u0309 \u0111o \u0111\u00f4\u0323 da\u0300i<\/p>\n\n\n\n<p>\u0110\u0103\u0323t th\u01b0\u01a1\u0301c \u0111i qua 2 \u0111i\u00ea\u0309m A va\u0300 B sao cho \u0111i\u00ea\u0309m A tru\u0300ng v\u01a1\u0301i s\u00f4\u0301 0.<\/p>\n\n\n\n<p>Nhi\u0300n th\u01b0\u01a1\u0301c ta th\u00e2\u0301y \u0111i\u00ea\u0309m B tru\u0300ng v\u01a1\u0301i \u0111i\u00ea\u0309m 19mm.<\/p>\n\n\n\n<p>Nh\u01b0 v\u00e2\u0323y, ta no\u0301i \u0111\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng AB la\u0300 19mm.<\/p>\n\n\n\n<p>Ki\u0301 hi\u00ea\u0323u: AB = 19mm ho\u0103\u0323c BA = 19mm<\/p>\n\n\n\n<p>L\u01b0u y\u0301:<\/p>\n\n\n\n<p>\u0110oa\u0323n th\u0103\u0309ng na\u0300o cu\u0303ng co\u0301 \u0111\u00f4\u0323 da\u0300i. \u0110\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng lu\u00f4n l\u01a1\u0301n h\u01a1n 0.<\/p>\n\n\n\n<p>\u0110i\u00ea\u0309m A va\u0300 B tru\u0300ng nhau thi\u0300 ta no\u0301i khoa\u0309ng ca\u0301ch gi\u01b0\u0303a A va\u0300 B b\u0103\u0300ng 0.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u0110o\u0323c th\u00eam: Ho\u0323c Toa\u0301n 6 cu\u0300ng Vietlearn: Ki\u00ea\u0301n th\u01b0\u0301c v\u00ea\u0300 trung \u0111i\u00ea\u0309m cu\u0309a \u0111oa\u0323n th\u0103\u0309ng<\/p><\/blockquote>\n\n\n\n<p>So sa\u0301nh \u0111\u1ed9 d\u00e0i 2 \u0111o\u1ea1n th\u1eb3ng<\/p>\n\n\n\n<p>Xe\u0301t vi\u0301 du\u0323 sau: Trong hi\u0300nh ta co\u0301: AB = 4cm, CD = 4cm, EF = 5cm<\/p>\n\n\n\n<p>Hi\u0300nh a\u0309nh minh ho\u0323a<\/p>\n\n\n\n<p>Ta co\u0301:<\/p>\n\n\n\n<p>\u0110\u00f4\u0323 da\u0300i AB va\u0300 CD b\u0103\u0300ng nhau (4cm = 4cm). Ki\u0301 hi\u00ea\u0323u: AB =CD.<\/p>\n\n\n\n<p>\u0110\u00f4\u0323 da\u0300i EF da\u0300i h\u01a1n AB (5 cm &gt; 4cm). Ki\u0301 hi\u00ea\u0323u: EF &gt; AB.<\/p>\n\n\n\n<p>\u0110\u00f4\u0323 da\u0300i CD ng\u0103\u0301n h\u01a1n EF (4cm &lt; 5cm). Ki\u0301 hi\u00ea\u0323u: CD &lt; EF.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Xem ngay : Gia\u0309i \u0111a\u0301p khi na\u0300o AM + MB = AB? Ho\u0323c Toa\u0301n 6 cu\u0300ng Vietlearn<\/p><\/blockquote>\n\n\n\n<p>Ba\u0300i t\u00e2\u0323p v\u00e2\u0323n du\u0323ng<\/p>\n\n\n\n<p>Ba\u0300i 1: \u0110o \u0111\u00f4\u0323 da\u0300i ca\u0301c \u0111oa\u0323n th\u0103\u0309ng trong hi\u0300nh ve\u0303 sau va\u0300 xa\u0301c \u0111i\u0323nh:<\/p>\n\n\n\n<p>Vi\u0301 du\u0323 v\u00ea\u0300 \u0111o \u0111o\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng<\/p>\n\n\n\n<p>\u0110oa\u0323n th\u0103\u0309ng na\u0300o ng\u0103\u0301n nh\u00e2\u0301t?<\/p>\n\n\n\n<p>\u0110oa\u0323n th\u0103\u0309ng na\u0300o da\u0300i nh\u00e2\u0301t?<\/p>\n\n\n\n<p>Ti\u0300m ca\u0301c \u0111oa\u0323n th\u0103\u0309ng b\u0103\u0300ng nhau.<\/p>\n\n\n\n<p>L\u01a1\u0300i gia\u0309i:<\/p>\n\n\n\n<p>Hai \u0111oa\u0323n th\u0103\u0309ng b\u0103\u0300ng nhau la\u0300 AB =EF.<\/p>\n\n\n\n<p>CD la\u0300 co\u0301 \u0111\u00f4\u0323 da\u0300i ng\u0103\u0301n nh\u00e2\u0301t.<\/p>\n\n\n\n<p>GH la\u0300 co\u0301 \u0111\u00f4\u0323 da\u0300i cao nh\u00e2\u0301t.<\/p>\n\n\n\n<p>Ba\u0300i 2: \u0110i\u00ea\u0300n ca\u0301c cu\u0323m t\u01b0\u0300 sau va\u0300o ch\u00f4\u0303 tr\u00f4\u0301ng: 0, khoa\u0309ng ca\u0301ch gi\u01b0\u0303a 2 \u0111i\u00ea\u0309m, tru\u0300ng nhau, \u0111\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng, ca\u0301ch.<\/p>\n\n\n\n<p>a. BC = 3 cm ta co\u0301 ca\u0301c ca\u0301ch no\u0301i la\u0300<\/p>\n\n\n\n<p>\u2026 B va\u0300 C la\u0300 3cm,<\/p>\n\n\n\n<p>\u2026 BC la\u0300 3cm.<\/p>\n\n\n\n<p>A\u2026 B m\u00f4\u0323t khoa\u0309ng 3cm.<\/p>\n\n\n\n<p>b. AB = 0 ta co\u0301 ca\u0301c ca\u0301ch no\u0301i la\u0300<\/p>\n\n\n\n<p>\u2026 A va\u0300 B la\u0300 0cm.<\/p>\n\n\n\n<p>A va\u0300 B\u2026<\/p>\n\n\n\n<p>\u2026AB la\u0300 0cm.<\/p>\n\n\n\n<p>L\u01a1\u0300i gia\u0309i<\/p>\n\n\n\n<p>a. BC = 3cm ta co\u0301 ca\u0301c ca\u0301ch no\u0301i:<\/p>\n\n\n\n<p>Khoa\u0309ng ca\u0301ch gi\u01b0\u0303a 2 \u0111i\u00ea\u0309m B va\u0300 C la\u0300 3cm.<\/p>\n\n\n\n<p>\u0110\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng BC la\u0300 3cm.<\/p>\n\n\n\n<p>A ca\u0301ch B m\u00f4\u0323t khoa\u0309ng 3cm.<\/p>\n\n\n\n<p>b. AB = 0 cm ta co\u0301 ca\u0301c ca\u0301ch no\u0301i:<\/p>\n\n\n\n<p>Khoa\u0309ng ca\u0301ch gi\u01b0\u0303a 2 \u0111i\u00ea\u0309m A va\u0300 B la\u0300 0cm.<\/p>\n\n\n\n<p>A va\u0300 B tru\u0300ng nhau.<\/p>\n\n\n\n<p>\u0110\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng AB la\u0300 3cm.<\/p>\n\n\n\n<p>Ba\u0300i 3: So sa\u0301nh ca\u0301c \u0111oa\u0323n th\u0103\u0309ng sau: SB = 4cm, BC = 3cm, AD = 10cm, OM = 5cm, GH = 6cm, PQ = 7cm. S\u0103\u0301p x\u00ea\u0301p ca\u0301c \u0111\u01b0\u01a1\u0300ng th\u0103\u0309ng theo th\u01b0\u0301 t\u01b0\u0323 t\u0103ng d\u00e2\u0300n.<\/p>\n\n\n\n<p>L\u01a1\u0300i gia\u0309i:<\/p>\n\n\n\n<p>Ta co\u0301: 3 &lt; 4 &lt; 5 &lt; 6 &lt;7 &lt; 10 =&gt; BC &lt; SB &lt; OM &lt; GH &lt; PQ &lt; AD<\/p>\n\n\n\n<p>Vi\u0301 du\u0323 \u0111o \u0111\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng<\/p>\n\n\n\n<p>Ba\u0300i 4: Cho hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t ABCD trong \u0111o\u0301 AB = 4cm, BC = 3cm. Ho\u0309i AD va\u0300 DC la\u0300 bao nhi\u00eau? Ti\u0301nh chu vi hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t ABCD.<\/p>\n\n\n\n<p>L\u01a1\u0300i gia\u0309i:<\/p>\n\n\n\n<p>ABCD la\u0300 hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t n\u00ean AB = DC = 4cm, AD = BC = 3cm.<\/p>\n\n\n\n<p>Chu vi hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t ABCD la\u0300 (AB + BC) x 2 = (3 + 4) x 2 = 14cm<\/p>\n\n\n\n<p>Bi\u0301 quy\u00ea\u0301t ho\u0323c t\u00f4\u0301t Toa\u0301n 6<\/p>\n\n\n\n<p>N\u0103m \u0111\u00e2\u0300u c\u00e2\u0301p 2 khi\u00ea\u0301n nhi\u00ea\u0300u ba\u0323n ho\u0323c sinh b\u01a1\u0303 ng\u01a1\u0303. Ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c Toa\u0301n 6 la\u0300 n\u00ea\u0300n c\u0103n ba\u0309n \u0111\u00ea\u0309 ho\u0323c ki\u00ea\u0301n th\u01b0\u0301c Toa\u0301n c\u00e2\u0301p 2. Vi\u0300 v\u00e2\u0323y, n\u0103\u0301m ch\u0103\u0301c ki\u00ea\u0301n th\u01b0\u0301c Toa\u0301n 6 la\u0300 r\u00e2\u0301t quan tro\u0323ng va\u0300 c\u00e2\u0300n thi\u00ea\u0301t. Vietlearn hi\u00ea\u0309u \u0111\u01b0\u01a1\u0323c nh\u01b0\u0303ng kho\u0301 kh\u0103n cu\u0309a ca\u0301c ba\u0323n ho\u0323c sinh. Vi\u0300 v\u00e2\u0323y, Vietlearn ma\u0301ch nho\u0309 cho ca\u0301c ba\u0323n bi\u0301 quy\u00ea\u0301t \u0111\u00ea\u0309 ho\u0323c t\u00f4\u0301t Toa\u0301n 6 d\u00ea\u0303 da\u0300ng:<\/p>\n\n\n\n<p>Ho\u0323c ch\u0103\u0301c c\u0103n ba\u0309n. Tr\u01b0\u01a1\u0301c h\u00ea\u0301t, chu\u0301ng ta c\u00e2\u0300n n\u0103\u0301m ch\u0103\u0301c ki\u00ea\u0301n th\u01b0\u0301c trong sa\u0301ch gia\u0301o khoa. Luy\u00ea\u0323n t\u00e2\u0323p ki\u00ea\u0301n th\u01b0\u0301c th\u00f4ng qua ca\u0301c ba\u0300i t\u00e2\u0323p.<\/p>\n\n\n\n<p>Ho\u0323c t\u00e2\u0323p co\u0301 chi\u00ea\u0301n l\u01b0\u01a1\u0323c, k\u00ea\u0301 hoa\u0323ch se\u0303 giu\u0301p ba\u0323n ho\u0323c hi\u00ea\u0323u qua\u0309 h\u01a1n, n\u0103ng su\u00e2\u0301t h\u01a1n. Ha\u0303y cho\u0323n cho ba\u0309n th\u00e2n khung gi\u01a1\u0300 ho\u0323c t\u00e2\u0323p phu\u0300 h\u01a1\u0323p, l\u00e2\u0323p k\u00ea\u0301 hoa\u0323ch ho\u0323c ba\u0300i m\u01a1\u0300i va\u0300 \u00f4n t\u00e2\u0323p la\u0323i phu\u0300 h\u01a1\u0323p v\u01a1\u0301i ba\u0309n th\u00e2n,\u2026<\/p>\n\n\n\n<p>La\u0300m th\u01b0\u0309 ca\u0301c ba\u0300i test \u0111\u00ea\u0309 t\u01b0\u0323 ki\u00ea\u0309m tra ki\u00ea\u0301n th\u01b0\u0301c, n\u0103ng l\u01b0\u0323c ba\u0309n th\u00e2n.<\/p>\n\n\n\n<p>Ho\u0323c nho\u0301m, ho\u0323c cu\u0300ng ba\u0323n be\u0300. Vi\u00ea\u0323c na\u0300y kh\u00f4ng chi\u0309 giu\u0301p g\u0103\u0301n k\u00ea\u0301t ti\u0300nh ca\u0309m ba\u0323n be\u0300 ma\u0300 co\u0300n giu\u0301p ca\u0301c ba\u0323n ho\u0323c sinh \u00f4n la\u0323i ba\u0300i, nh\u01a1\u0301 ba\u0300i l\u00e2u h\u01a1n, ho\u0323c ho\u0309i th\u00eam ca\u0301ch gia\u0309i ba\u0300i, t\u01b0 duy sa\u0301ng ta\u0323o t\u01b0\u0300 ba\u0323n kha\u0301c.<\/p>\n\n\n\n<p>5 b\u01b0\u01a1\u0301c \u0111\u01a1n gia\u0309n \u0111\u00ea\u0309 con kh\u00f4ng c\u00e2\u0300n ho\u0323c th\u00eam v\u00e2\u0303n gio\u0309i<\/p>\n\n\n\n<p>Ti\u0300nh y\u00eau v\u01a1\u0301i vi\u00ea\u0323c ho\u0323c t\u00e2\u0323p<\/p>\n\n\n\n<p>Ti\u0300nh y\u00eau v\u01a1\u0301i vi\u00ea\u0323c ho\u0323c la\u0300 y\u00ea\u0301u t\u00f4\u0301 ti\u00ean quy\u00ea\u0301t \u0111\u00ea\u0309 be\u0301 co\u0301 th\u00ea\u0309 ho\u0323c t\u00f4\u0301t. Chu\u0301ng ta se\u0303 kh\u00f4ng th\u00ea\u0309 la\u0300m vi\u00ea\u0323c gi\u0300 t\u00f4\u0301t n\u00ea\u0301u kh\u00f4ng y\u00eau thi\u0301ch chu\u0301ng pha\u0309i kh\u00f4ng na\u0300o? Vi\u00ea\u0323c nu\u00f4i d\u01b0\u01a1\u0303ng ti\u0300nh y\u00eau ho\u0323c t\u00e2\u0323p c\u00e2\u0300n \u0111\u01b0\u01a1\u0323c chu\u0301 y\u0301 th\u01b0\u0323c hi\u00ea\u0323n t\u01b0\u0300 s\u01a1\u0301m. B\u00f4\u0301 me\u0323 ha\u0303y cu\u0300ng con nu\u00f4i d\u01b0\u01a1\u0303ng ti\u0300nh y\u00eau v\u01a1\u0301i vi\u00ea\u0323c ho\u0323c. \u0110\u01b0\u0300ng b\u0103\u0301t e\u0301p ca\u0301c be\u0301 ho\u0323c. B\u0103\u0301t e\u0301p chi\u0309 khi\u00ea\u0301n con th\u00eam cha\u0301n na\u0309n, kh\u00f4ng thi\u0301ch vi\u00ea\u0323c ho\u0323c. B\u00f4\u0301 me\u0323 co\u0301 th\u00ea\u0309 cu\u0300ng con v\u01b0\u0300a ho\u0323c v\u01b0\u0300a ch\u01a1i, l\u00f4\u0300ng ghe\u0301p vi\u00ea\u0323c ho\u0323c t\u00e2\u0323p va\u0300o ca\u0301c tro\u0300 ch\u01a1i. Ho\u0103\u0323c b\u00f4\u0301 me\u0323 ha\u0303y kh\u01a1i g\u01a1\u0323i t\u01b0\u0323 gia\u0301c ho\u0323c cu\u0309a be\u0301 t\u01b0\u0323 nhi\u00ean nh\u00e2\u0301t co\u0301 th\u00ea\u0309.<\/p>\n\n\n\n<p>Da\u0323y con ca\u0301ch t\u01b0 duy<\/p>\n\n\n\n<p>B\u00f4\u0301 me\u0323 ha\u0303y da\u0323y con ca\u0301ch t\u01b0 duy, \u0111\u0103\u0323t c\u00e2u ho\u0309i, suy nghi\u0303 nhi\u00ea\u0300u m\u0103\u0323t cu\u0309a v\u00e2\u0301n \u0111\u00ea\u0300. \u0110\u01b0\u0300ng \u0111\u00ea\u0309 be\u0301 thu\u0323 \u0111\u00f4\u0323ng ti\u00ea\u0301p thu ki\u00ea\u0301n th\u01b0\u0301c m\u00f4\u0323t chi\u00ea\u0300u. Cu\u0303ng kh\u00f4ng n\u00ean khuy\u00ea\u0301n khi\u0301ch vi\u00ea\u0323c ho\u0323c thu\u00f4\u0323c lo\u0300ng \u01a1\u0309 con. Thay va\u0300o \u0111o\u0301 ha\u0303y day con ca\u0301ch ho\u0323c hi\u00ea\u0309u. Da\u0323y con ca\u0301ch suy nghi\u0303 tr\u01b0\u01a1\u0301c m\u00f4\u0323t v\u00e2\u0301n \u0111\u00ea\u0300. Vi\u0301 du\u0323 m\u00f4\u0323t v\u00e2\u0301n \u0111\u00ea\u0300 con ch\u01b0a \u0111\u01b0\u01a1\u0323c ho\u0323c nh\u01b0ng \u0111\u01b0\u0300ng cung c\u00e2\u0301p ki\u00ea\u0301n th\u01b0\u0301c ngay v\u00f4\u0323i. Ha\u0303y \u0111\u00ea\u0309 con t\u01b0 duy xem v\u01a1\u0301i v\u00e2\u0301n \u0111\u00ea\u0300 \u0111o\u0301 con nghi\u0303 nh\u01b0 th\u00ea\u0301 na\u0300o. D\u01b0\u0323a tr\u00ean t\u01b0 duy con tre\u0309 b\u00f4\u0301 me\u0323, tha\u0300y c\u00f4 se\u0303 \u0111i\u0323nh h\u01b0\u01a1\u0301ng cho \u0111u\u0301ng va\u0300 pha\u0301t tri\u00ea\u0309n t\u01b0 duy cho be\u0301.<\/p>\n\n\n\n<p>X\u00e2y d\u01b0\u0323ng b\u00f4\u0323 nguy\u00ean t\u0103\u0301c ho\u0323c t\u00e2\u0323p<\/p>\n\n\n\n<p>B\u00f4\u0301 me\u0323 ha\u0303y cu\u0300ng con x\u00e2y d\u01b0\u0323ng b\u00f4\u0323 nguy\u00ean t\u0103\u0301c ho\u0323c t\u00e2\u0323p. Vi\u00ea\u0323c tu\u00e2n thu\u0309 b\u00f4\u0323 nguy\u00ean t\u0103\u0301c ho\u0323c t\u00e2\u0323p se\u0303 giu\u0301p vi\u00ea\u0323c ho\u0323c quy cu\u0309 va\u0300 hi\u00ea\u0323u qua\u0309 h\u01a1n. M\u00f4\u0323t s\u00f4\u0301 nguy\u00ean t\u0103\u0301c c\u00e2\u0300n thi\u00ea\u0301t nh\u01b0:<\/p>\n\n\n\n<p>Vi\u00ea\u0323c h\u00f4m nay kh\u00f4ng \u0111\u00ea\u0309 nga\u0300y mai.<\/p>\n\n\n\n<p>Khi ho\u0323c kh\u00f4ng s\u01b0\u0309 du\u0323ng \u0111i\u00ea\u0323n thoa\u0323i hay la\u0300m vi\u00ea\u0323c ri\u00eang.<\/p>\n\n\n\n<p>L\u01a1\u0300i k\u00ea\u0301t<\/p>\n\n\n\n<p>Vietlearn hy vo\u0323ng v\u01a1\u0301i ba\u0300i vi\u00ea\u0301t tr\u00ean \u0111a\u0303 cung c\u00e2\u0301p cho ca\u0301c ba\u0323n ho\u0323c sinh ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c v\u00ea\u0300 ca\u0301ch \u0111o va\u0300 so sa\u0301nh \u0111\u00f4\u0323 da\u0300i \u0111oa\u0323n th\u0103\u0309ng.Ki\u00ea\u0301n th\u01b0\u0301c \u0111oa\u0323n th\u0103\u0309ng l\u01a1\u0301p 6 kh\u00f4ng h\u00ea\u0300 kho\u0301. \u0110\u00e2y la\u0300 ph\u00e2\u0300n ki\u00ea\u0301n th\u01b0\u0301c c\u01a1 ba\u0309n c\u00e2\u0300n pha\u0309i n\u0103\u0301m v\u01b0\u0303ng, la\u0300 ki\u00ea\u0301n th\u01b0\u0301c n\u00ea\u0300n ta\u0309ng cho ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c hi\u0300nh ho\u0323c v\u00ea\u0300 sau cu\u0309a con. Tham kha\u0309o th\u00eam ca\u0301c da\u0323ng ba\u0300i t\u00e2\u0323p va\u0300 ki\u00ea\u0301n th\u01b0\u0301c Toa\u0301n ho\u0323c ta\u0323i blog Vietlearn.<\/p>\n\n\n\n<p>Kho t\u00e0i li\u1ec7u <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> Mi\u1ec5n Ph\u00ed \u2013 Vietlearn<\/p>\n\n\n\n<p>B\u00f4\u0301 me\u0323 kh\u00f4ng co\u0301 th\u01a1\u0300i gian da\u0323y con ho\u0323c? Kho\u0301 kh\u0103n trong truy\u00ea\u0300n \u0111a\u0323t ki\u00ea\u0301n th\u01b0\u0301c cho tre\u0309. \u0110\u01b0\u0300ng loddax co\u0301 Vietlearn \u2013 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">gia s\u01b0<\/a> ha\u0300ng \u0111\u00e2\u0300u Vi\u00ea\u0323t Nam. B\u00f4\u0301 me\u0323 co\u0301 th\u00ea\u0309 cu\u0300ng con tham gia kho\u0301a ho\u0323c tr\u01b0\u0323c tuy\u00ea\u0301n K12 cu\u0309a Vietlearn. Kho\u0301a ho\u0323c K12 g\u00f4\u0300m ca\u0301c m\u00f4n: Toa\u0301n ho\u0323c, V\u00e2\u0323t Ly\u0301, Ho\u0301a ho\u0323c, Ti\u00ea\u0301ng Anh. Khi tham gia kho\u0301a ho\u0323c, m\u00f4\u0303i ba\u0323n ho\u0323c vi\u00ean se\u0303 co\u0301 m\u00f4\u0323t l\u00f4\u0323 tri\u0300nh ho\u0323c ri\u00eang. L\u00f4\u0323 tri\u0300nh \u0111\u01b0\u01a1\u0323c thi\u00ea\u0301t k\u00ea\u0301 tr\u00ean c\u01a1 s\u01a1\u0309 ph\u00e2n ti\u0301ch l\u01b0\u0323c ho\u0323c, k\u00ea\u0301t qua\u0309 ba\u0300i ki\u00ea\u0309m tra, \u0111a\u0301nh gia\u0301. Vietlearn t\u01b0\u0323 tin co\u0301 th\u00ea\u0309 giu\u0301p ca\u0309i thi\u00ea\u0323n ti\u0300nh hi\u0300nh ho\u0323c t\u00e2\u0323p cu\u0309a con tre\u0309 trong th\u01a1\u0300i gian ng\u0103\u0301n. Vietlearn lu\u00f4n \u0111\u00f4\u0300ng<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Trong ba\u0300i vi\u00ea\u0301t tr\u01b0\u01a1\u0301c, chu\u0301ng ta \u0111a\u0303 ti\u0300m hi\u00ea\u0309u ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c v\u00ea\u0300 \u0111oa\u0323n th\u0103\u0309ng. \u01a0\u0309 ba\u0300i vi\u00ea\u0301t na\u0300y, Vietlearn se\u0303 cu\u0300ng ba\u0323n ti\u00ea\u0301p tu\u0323c ti\u0300m hi\u00ea\u0309u v\u00ea\u0300 ca\u0301ch \u0111o va\u0300 so sa\u0301nh \u0111\u00f4\u0323 da\u0300i hai \u0111oa\u0323n th\u0103\u0309ng. \u0110\u00e2y la\u0300 ph\u00e2\u0300n ki\u00ea\u0301n th\u01b0\u0301c c\u01a1 ba\u0309n trong ch\u01b0\u01a1ng tri\u0300nh Toa\u0301n [&hellip;]<\/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":[9,4],"tags":[],"class_list":["post-2657","post","type-post","status-publish","format-standard","hentry","category-toan-hoc","category-trung-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2657","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=2657"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2657\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=2657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=2657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=2657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}