Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
N\u1ebfu nh\u01b0 b\u00e0i tr\u01b0\u1edbc ch\u00fang ta \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn th\u1ec3 t\u00edch l\u00e0 g\u00ec, c\u00e1ch \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng. Th\u00ec trong b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, ch\u00fang ta s\u1ebd \u0111\u1ebfn v\u1edbi m\u1ed9t ki\u1ebfn th\u1ee9c m\u1edbi. \u0110\u00f3 ch\u00ednh l\u00e0 c\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. Li\u1ec7u c\u00e1ch \u0111o n\u00e0y c\u00f3 gi\u1ed1ng v\u1edbi c\u00e1ch \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng hay kh\u00f4ng? C\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhi\u1ec1u trong cu\u1ed9c s\u1ed1ng hay kh\u00f4ng? S\u1ef1 kh\u00e1c nhau gi\u1eefa th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng v\u00e0 th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p trong b\u00e0i vi\u1ebft n\u00e0y. Ch\u00fang ta h\u00e3y c\u00f9ng nhau t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay nh\u00e9!<\/p>\n\n\n\n
Th\u1ec3 t\u00edch ch\u1ea5t r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc<\/p>\n\n\n\n
V\u1ec1 c\u01a1 b\u1ea3n, th\u1ec3 t\u00edch c\u1ee7a ch\u1ea5t r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc hay ch\u1ea5t l\u1ecfng \u0111\u1ec1u l\u00e0 ph\u1ea7n kh\u00f4ng gian m\u00e0 n\u00f3 chi\u1ebfm h\u1eefu. Th\u1ec3 t\u00edch c\u1ee7a c\u1ee7a ch\u1ea5t r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc kh\u00f4ng thay \u0111\u1ed5i khi l\u00e0m th\u00ed nghi\u1ec7m. Ch\u00ednh v\u00ec v\u1eady, c\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc c\u0169ng kh\u00e1c so v\u1edbi \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng. Ch\u00fang ta ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c c\u00e1ch th\u1ee9c n\u00e0y trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. C\u00f3 r\u1ea5t nhi\u1ec1u v\u1eadt c\u1ea7n t\u00ednh th\u1ec3 t\u00edch trong cu\u1ed9c s\u1ed1ng. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac ch\u00fang ta \u00e1p d\u1ee5ng nh\u1eefng \u0111i\u1ec1u \u0111\u01b0\u1ee3c h\u1ecdc v\u00e0o th\u1ef1c t\u1ebf.<\/p>\n\n\n\n
C\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc<\/p>\n\n\n\n
Th\u1ec3 t\u00edch c\u1ee7a m\u1ed9t v\u1eadt kh\u00f4ng th\u1ea5m n\u01b0\u1edbc kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng khi th\u1ea3 v\u00e0o n\u01b0\u1edbc. Ch\u00fang ta ch\u1ec9 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh chu\u1ea9n \u0111\u01b0\u1ee3c th\u1ec3 t\u00edch c\u1ee7a m\u1ed9t v\u1eadt r\u1eafn khi v\u1eadt \u0111\u00f3 kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. B\u1edfi l\u1ebd, n\u1ebfu v\u1eadt \u0111\u00f3 c\u00f3 th\u1ea5m n\u01b0\u1edbc. Th\u00ec th\u1ec3 t\u00edch c\u1ee7a v\u1eadt c\u00f3 th\u1ec3 b\u1ecb thay \u0111\u1ed5i sau khi \u0111\u00e3 ng\u1ea5m n\u01b0\u1edbc. Nh\u01b0 v\u1eady, k\u1ebft qu\u1ea3 ban \u0111\u1ea7u kh\u00f4ng c\u00f2n ch\u00ednh x\u00e1c n\u1eefa. Ch\u00ednh v\u00ec v\u1eady, nh\u1eefng v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc m\u1edbi c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u1ec3 t\u00edch th\u1ef1c t\u1ebf. Nh\u1eefng v\u1eadt \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 kh\u1ed1i \u0111\u00e1, kh\u1ed1i \u0111\u1ed3ng, kh\u1ed1i kim lo\u1ea1i k\u00edn,\u2026 C\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p trong cu\u1ed9c s\u1ed1ng.<\/p>\n\n\n\n
B\u1ea3ng \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch<\/p>\n\n\n\n
\u0110\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch c\u1ee7a v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo b\u1ea3ng \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch chu\u1ea9n. C\u00e1c em ch\u1ec9 c\u1ea7n h\u1ecdc thu\u1ed9c b\u1ea3ng \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch chung l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong c\u1ea3 ch\u1ea5t l\u1ecfng v\u00e0 v\u1eadt r\u1eafn. C\u00e1ch quy \u0111\u1ed5i trong b\u1ea3ng l\u00e0 \u0111i\u1ec1u m\u00e0 c\u00e1c em n\u00ean nh\u1edb. T\u1ec9 l\u1ec7 quy \u0111\u1ed5i s\u1ebd gi\u00fap c\u00e1c em d\u1ec5 d\u00e0ng t\u00ednh to\u00e1n k\u1ebft qu\u1ea3, \u0111\u1ed5i ra s\u1ed1 nh\u1ecf h\u01a1n \u0111\u1ec3 d\u1ec5 t\u00ednh to\u00e1n. B\u1ea3ng \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch xu\u1ea5t hi\u1ec7n trong c\u00e1c d\u1ee5ng c\u1ee5 \u0111o, b\u00e0i t\u1eadp, th\u00ed nghi\u1ec7m. N\u1eafm v\u1eefng \u0111\u01b0\u1ee3c b\u1ea3ng \u0111\u01a1n v\u1ecb \u0111o n\u00e0y, c\u00e1c em s\u1ebd kh\u00f4ng c\u00f2n c\u1ea3m th\u1ea5y kh\u00f3 kh\u0103n trong vi\u1ec7c th\u1ef1c hi\u1ec7n b\u00e0i t\u1eadp n\u1eefa. C\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc lu\u00f4n \u0111i \u0111\u00f4i v\u1edbi b\u1ea3ng \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch.<\/p>\n\n\n\n
B\u1ea3ng \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch<\/p>\n\n\n\n
D\u01b0\u1edbi \u0111\u00e2y ch\u00ednh l\u00e0 nh\u1eefng \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong h\u1ecdc t\u1eadp<\/a> v\u00e0 cu\u1ed9c s\u1ed1ng hi\u1ec7n nay. Ch\u00fang t\u00f4i \u0111\u00e3 t\u1ed5ng h\u1ee3p v\u00e0 quy \u0111\u1ed5i, c\u00e1c em h\u00e3y ghi ch\u00e9p l\u1ea1i nh\u00e9!<\/p>\n\n\n\n B\u1ea3ng quy \u0111\u1ed5i \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch<\/p>\n\n\n\n 1l = 1dm3 = 1000cm3<\/p>\n\n\n\n 1m3 = 1000l = 1000000ml = 1000000cc<\/p>\n\n\n\n T\u1ec9 l\u1ec7 quy \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n trong t\u00ednh to\u00e1n. Khi c\u00e1c em th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n, \u0111o th\u1ec3 t\u00edch c\u1ee7a m\u1ed9t v\u1eadt ra s\u1ed1 qu\u00e1 to, c\u00e1c em c\u00f3 th\u1ec3 quy \u0111\u1ed5i \u0111\u01a1n v\u1ecb. Nh\u01b0 v\u1eady, ng\u01b0\u1eddi \u0111\u1ecdc v\u1eabn c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c th\u1ec3 t\u00edch c\u1ee7a v\u1eadt \u0111\u00f3 l\u00e0 bao nhi\u00eau m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecdc con s\u1ed1 qu\u00e1 l\u1edbn. Ngo\u00e0i ra, \u0111\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u1ee7a b\u00e0i t\u00ednh c\u1ea7n ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb. C\u00e1c em bu\u1ed9c ph\u1ea3i nh\u1edb b\u1ea3ng quy \u0111\u1ed5i n\u00e0y \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n theo \u0111\u01a1n v\u1ecb y\u00eau c\u1ea7u. C\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t l\u00e0 \u0111em \u0111\u1ebfn k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c. N\u1ebfu c\u00e1c em bi\u1ebft c\u00e1ch \u0111o, nh\u01b0ng khi quy \u0111\u1ed5i sai, v\u1eabn g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n Tham kh\u1ea3o th\u00eam b\u1ea3ng \u0111\u01a1n v\u1ecb \u0111o kh\u1ed1i l\u01b0\u1ee3ng<\/p><\/blockquote>\n\n\n\n D\u1ee5ng c\u1ee5 \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc<\/p>\n\n\n\n Nh\u01b0 ch\u00fang ta \u0111\u00e3 bi\u1ebft \u0111\u1ebfn \u1edf b\u00e0i tr\u01b0\u1edbc, d\u1ee5ng c\u1ee5 \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng ch\u00ednh l\u00e0 b\u00ecnh chia \u0111\u1ed9. Nh\u01b0ng \u0111\u1ebfn v\u1edbi v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc th\u00ec d\u1ee5ng c\u1ee5 n\u00e0y l\u1ea1i kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n B\u00ecnh tr\u00e0n \u2013 d\u1ee5ng c\u1ee5 \u0111o th\u1ec3 t\u00edch<\/p>\n\n\n\n D\u1ee5ng c\u1ee5 \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 tr\u01b0\u1eddng h\u1ecdc ch\u00ednh l\u00e0 b\u00ecnh tr\u00e0n. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i d\u1ee5ng c\u1ee5 g\u1ea7n gi\u1ed1ng v\u1edbi b\u00ecnh chia \u0111\u1ed9. Tr\u00ean th\u00e2n c\u1ee7a b\u00ecnh v\u1eabn c\u00f3 nh\u1eefng v\u1ea1ch chia, gi\u1ed1ng v\u1edbi b\u00ecnh chia \u0111\u1ed9 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ef1c ch\u1ea5t l\u1ecfng. Tuy nhi\u00ean b\u00ecnh s\u1ebd c\u00f3 th\u00eam ph\u1ea7n v\u00f2i tr\u00e0n, \u0111\u1ec3 ch\u1ea5t l\u1ecfng trong b\u00ecnh c\u00f3 th\u1ec3 tr\u00e0n ra. \u0110i\u1ec1u n\u00e0y gi\u00fap \u00edch trong qu\u00e1 c\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. \u0110\u1ec3 d\u1ec5 hi\u1ec3u nh\u1ea5t, khi ch\u00fang ta th\u1ea3 v\u1eadt r\u1eafn v\u00e0o b\u00ecnh tr\u00e0n, ph\u1ea7n ch\u1ea5t l\u1ecfng tr\u00e0n ra ch\u00ednh l\u00e0 th\u1ec3 t\u00edch c\u1ee7a v\u1eadt.<\/p>\n\n\n\n C\u00e1ch d\u00f9ng d\u1ee5ng c\u1ee5 \u0111o<\/p>\n\n\n\n C\u00e1ch d\u00f9ng c\u1ee7a chi\u1ebfc b\u00ecnh n\u00e0y v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong m\u1ee5c t\u1edbi c\u1ee7a b\u00e0i vi\u1ebft. C\u00e1c em n\u00ean nh\u1edb \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng c\u1ee7a v\u1eadt n\u00e0y \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn v\u1edbi b\u00ecnh chia \u0111\u1ed9 th\u00f4ng th\u01b0\u1eddng. B\u00ecnh tr\u00e0n v\u1eabn c\u00f3 gi\u1edbi h\u1ea1n \u0111\u1ecbnh m\u1ee9c v\u00e0 \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t. T\u00f9y v\u00e0o c\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc m\u00e0 ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ebfn c\u00e1c v\u1ea1ch chia n\u00e0y hay kh\u00f4ng? C\u00e1c em c\u00f3 th\u1ec3 h\u1ecfi th\u1ea7y c\u00f4 gi\u00e1o c\u1ee7a m\u00ecnh, ho\u1eb7c tham kh\u1ea3o h\u00ecnh \u1ea3nh c\u1ee7a b\u00ecnh tr\u00e0n \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t.<\/p>\n\n\n\n C\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc<\/p>\n\n\n\n C\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc kh\u00e1c v\u1edbi c\u00e1ch \u0111o th\u1ec3 t\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng. Ch\u00fang ta s\u1ebd \u0111\u1ec3 v\u1eadt r\u1eafn ch\u00ecm v\u00e0o trong n\u01b0\u1edbc sau \u0111\u00f3 th\u1ef1c hi\u1ec7n \u0111o th\u1ec3 t\u00edch c\u1ee7a v\u1eadt. C\u00e1c em c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n \u01af\u1edbc l\u01b0\u1ee3ng th\u1ec3 t\u00edch c\u1ea7n \u0111o.<\/p>\n\n\n\n \u01af\u1edbc l\u01b0\u1ee3ng th\u1ec3 t\u00edch c\u1ea7n \u0111o s\u1ebd gi\u00fap c\u00e1c em d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc d\u1ec5 h\u01a1n. B\u00ecnh tr\u00e0n c\u00f3 nhi\u1ec1u dung t\u00edch kh\u00e1c nhau. B\u00ecnh ph\u1ea3i \u0111\u1ef1ng v\u1eeba v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. V\u00e0 khi th\u1ea3 v\u1eadt v\u00e0o b\u00ecnh tr\u00e0n, l\u01b0\u1ee3ng n\u01b0\u1edbc trong b\u00ecnh tr\u00e0n khi th\u1ef1c hi\u1ec7n \u0111o c\u0169ng ph\u1ea3i g\u1ea7n \u0111\u1ea7y. \u0110\u1ec3 khi th\u1ea3 v\u1eadt r\u1eafn v\u00e0o l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1ebd tr\u00e0n ra qua v\u00f2i tr\u00e0n.<\/p>\n\n\n\n B\u00ecnh chia \u0111\u1ed9 \u2013 c\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc<\/p>\n\n\n\n Ch\u1ecdn b\u00ecnh chia \u0111\u1ed9 c\u00f3 h\u00ecnh d\u1ea1ng, gi\u1edbi h\u1ea1n \u0111o, \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t th\u00edch h\u1ee3p.<\/p>\n\n\n\n L\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng tr\u00e0n ra sau khi v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc \u0111\u01b0\u1ee3c th\u1ea3 v\u00e0o b\u00ecnh tr\u00e0n s\u1ebd ch\u1ea3y sang b\u00ecnh chia \u0111\u1ed9. Ch\u1ecdn b\u00ecnh chia \u0111\u1ed9 c\u00f3 chi\u1ec1u cao th\u1ea5p h\u1ee3p v\u00f2i tr\u00e0n c\u1ee7a b\u00ecnh tr\u00e0n \u0111\u1ec3 h\u1ee9ng \u0111\u01b0\u1ee3c h\u1ebft l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng. Th\u1ec3 t\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng ch\u1ea3y ra n\u00e0y ch\u00ednh l\u00e0 th\u1ec3 t\u00edch c\u1ee7a v\u1eadt \u0111\u01b0\u1ee3c \u0111o. C\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc ch\u00ednh l\u00e0 nh\u01b0 v\u1eady.<\/p>\n\n\n\n C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n\n\n\n \u0110\u1ed5 g\u1ea7n \u0111\u1ea7y ch\u1ea5t l\u1ecfng v\u00e0o b\u00ecnh tr\u00e0n.<\/p>\n\n\n\n \u0110\u1eb7t b\u00ecnh chia \u0111\u1ed9 h\u1ee9ng d\u01b0\u1edbi v\u00f2i c\u1ee7a b\u00ecnh tr\u00e0n.<\/p>\n\n\n\n \u0110\u1eb7t c\u1ea3 hai b\u00ecnh l\u00ean m\u1eb7t ph\u1eb3ng c\u1ed1 \u0111\u1ecbnh n\u1eb1m ngang sao cho kh\u00f4ng b\u1ecb nghi\u00eang hay g\u1ed3 gh\u1ec1.<\/p>\n\n\n\n Th\u1ea3 v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc v\u00e0o b\u00ecnh tr\u00e0n m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb sao cho n\u01b0\u1edbc trong b\u00ecnh tr\u00e0n ch\u1ec9 ch\u1ea3y qua v\u00f2i tr\u00e0n.<\/p>\n\n\n\n Sau khi ch\u1ea5t l\u1ecfng ng\u1eebng ch\u1ea3y t\u1eeb b\u00ecnh tr\u00e0n sang b\u00ecnh chia \u0111\u1ed9, xem x\u00e9t m\u1ef1c n\u01b0\u1edbc trong b\u00ecnh chia \u0111\u1ed9.<\/p>\n\n\n\n \u0110\u1eb7t m\u1eaft n\u1eb1m ngang theo m\u1ef1c ch\u1ea5t l\u1ecfng c\u1ee7a b\u00ecnh chia \u0111\u1ed9.<\/p>\n\n\n\n Ghi ch\u00e9p l\u1ea1i k\u1ebft qu\u1ea3 c\u1ee7a m\u1ef1c ch\u1ea5t l\u1ecfng trong b\u00ecnh chia \u0111\u1ed9. \u0110\u00e2y ch\u00ednh l\u00e0 th\u1ec3 t\u00edch c\u1ee7a v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc c\u1ea7n \u0111o.<\/p>\n\n\n\n Tham kh\u1ea3o th\u00eam c\u00e1ch \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng<\/p><\/blockquote>\n\n\n\n Ch\u00fa \u00fd sau khi \u0111o<\/p>\n\n\n\n C\u00e1c em n\u00ean ch\u00fa \u00fd trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n kh\u00f4ng l\u00e0m tr\u00e0n n\u01b0\u1edbc c\u1ee7a b\u00ecnh tr\u00e0n, tr\u00e1nh k\u1ebft qu\u1ea3 sai l\u1ec7ch. Khi ghi k\u1ebft qu\u1ea3 trong b\u00ecnh chia \u0111\u1ed9 c\u00e1c em n\u00ean ch\u00fa \u00fd \u0111\u1ebfn \u0111\u01a1n v\u1ecb th\u1ec3 t\u00edch c\u1ee7a b\u00ecnh. C\u00f3 th\u1ec3 quy \u0111\u1ed5i \u0111\u01a1n v\u1ecb n\u1ebfu s\u1ed1 \u0111o th\u1ec3 t\u00edch qu\u00e1 l\u1edbn ho\u1eb7c qu\u00e1 nh\u1ecf. \u0110\u00e2y ch\u00ednh l\u00e0 c\u00e1c b\u01b0\u1edbc trong c\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. Hy v\u1ecdng c\u00e1c em c\u00f3 th\u1ec3 ghi nh\u1edb v\u00e0 \u00e1p d\u1ee5ng v\u00e0o b\u00e0i h\u1ecdc tr\u00ean l\u1edbp c\u1ee7a m\u00ecnh nh\u00e9!<\/p>\n\n\n\n Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 c\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc m\u00e0 ai trong s\u1ed1 ch\u00fang ta c\u0169ng c\u1ea7n ti\u1ebfp thu. V\u1edbi ki\u1ebfn th\u1ee9c n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng nhi\u1ec1u v\u00e0o th\u1ef1c t\u1ebf h\u00e0ng ng\u00e0y khi c\u1ea7n x\u00e1c \u0111\u1ecbnh th\u1ec3 t\u00edch c\u1ee7a m\u1ed9t v\u1eadt. \u0110\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c em h\u1ecdc sinh<\/a> \u0111ang h\u1ecdc l\u1edbp 6, th\u00ec ki\u1ebfn th\u1ee9c n\u00e0y c\u1ef1c k\u1ef3 h\u1eefu d\u1ee5ng. Trong c\u00e1c b\u00e0i t\u1eadp ho\u1eb7c b\u00e0i thi s\u1ebd c\u00f3 nh\u1eefng d\u1ea1ng b\u00e0i t\u1eadp t\u00ednh to\u00e1n, n\u00eau c\u00e1ch \u0111o th\u1ec3 t\u00edch. C\u00e1c em n\u00ean ch\u00fa \u00fd \u0111i\u1ec1u n\u00e0y nh\u00e9! C\u1ea3m \u01a1n c\u00e1c em \u0111\u00e3 \u0111\u00f3n \u0111\u1ecdc b\u00e0i vi\u1ebft h\u00f4m nay.<\/p>\n\n\n\n Xem th\u00eam c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c<\/p><\/blockquote>\n\n\n\n S\u1ef1 n\u1edf v\u00ec nhi\u1ec7t c\u1ee7a ch\u1ea5t r\u1eafn l\u00e0 g\u00ec? Gi\u1ea3i \u0111\u00e1p l\u00fd thuy\u1ebft V\u1eadt l\u00fd 6<\/p>\n\n\n\n C\u00e1ch \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":" Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn N\u1ebfu nh\u01b0 b\u00e0i tr\u01b0\u1edbc ch\u00fang ta \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn th\u1ec3 t\u00edch l\u00e0 g\u00ec, c\u00e1ch \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng. Th\u00ec trong b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, ch\u00fang ta s\u1ebd \u0111\u1ebfn v\u1edbi m\u1ed9t ki\u1ebfn th\u1ee9c m\u1edbi. \u0110\u00f3 ch\u00ednh l\u00e0 c\u00e1ch \u0111o th\u1ec3 t\u00edch v\u1eadt r\u1eafn kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. Li\u1ec7u […]<\/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":[4,7],"tags":[],"class_list":["post-1135","post","type-post","status-publish","format-standard","hentry","category-trung-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1135","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=1135"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1135\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}