1.<\/b>\u00a0C\u00e1c ki\u1ec3u v\u0103n b\u1ea3n \u0111\u00e3 h\u1ecdc trong ch\u01b0\u01a1ng tr\u00ecnh Ng\u1eef v\u0103n Trung h\u1ecdc ph\u1ed5 th\u00f4ng:<\/p>\n
– T\u1ef1 s\u1ef1: tr\u00ecnh b\u00e0y c\u00e1c s\u1ef1 vi\u1ec7c (s\u1ef1 ki\u1ec7n) c\u00f3 quan h\u1ec7 nh\u00e2n qu\u1ea3 d\u1eabn \u0111\u1ebfn k\u1ebft c\u1ee5c nh\u1eb1m bi\u1ec3u hi\u1ec7n con ng\u01b0\u1eddi, \u0111\u1eddi s\u1ed1ng, t\u01b0 t\u01b0\u1edfng, th\u00e1i \u0111\u1ed9,…<\/p>\n
– Thuy\u1ebft minh: Tr\u00ecnh b\u00e0y thu\u1ed9c t\u00ednh, nguy\u00ean nh\u00e2n, k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 v\u1eadt, hi\u1ec7n t\u01b0\u1ee3ng, v\u1ea5n \u0111\u1ec1…nh\u1eb1m gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 tri th\u1ee9c v\u00e0 th\u00e1i \u0111\u1ed9 \u0111\u00fang \u0111\u1eafn v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c thuy\u1ebft minh.<\/p>\n
– Ngh\u1ecb lu\u1eadn: tr\u00ecnh b\u00e0y t\u01b0 t\u01b0\u1edfng quan \u0111i\u1ec3m, nh\u1eadn x\u00e9t, \u0111\u00e1nh gi\u00e1,… \u0111\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 x\u00e3 h\u1ed9i ho\u1eb7c v\u0103n h\u1ecdc qua c\u00e1c lu\u1eadn \u0111i\u1ec3m, lu\u1eadn c\u1ee9, l\u1eadp lu\u1eadn c\u00f3 t\u00ednh thuy\u1ebft ph\u1ee5c.<\/p>\n
Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c lo\u1ea1i v\u0103n b\u1ea3n kh\u00e1c: v\u0103n b\u1ea3n b\u00e1o ch\u00ed, v\u0103n b\u1ea3n h\u00e0nh ch\u00ednh,v\u0103n b\u1ea3n t\u1ed5ng k\u1ebft, b\u1ea3n tin,…<\/p>\n
2.<\/b>\u00a0\u0110\u1ec3 vi\u1ebft \u0111\u01b0\u1ee3c m\u1ed9t v\u0103n b\u1ea3n, c\u1ea7n th\u1ef1c hi\u1ec7n:<\/p>\n
– T\u00ecm hi\u1ec3u \u0111\u1ec1, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u b\u00e0i vi\u1ebft.<\/p>\n
– T\u00ecm v\u00e0 ch\u1ecdn \u00fd cho b\u00e0i v\u0103n.<\/p>\n
– L\u1eadp d\u00e0n \u00fd.<\/p>\n
– Vi\u1ebft v\u0103n b\u1ea3n theo d\u00e0n \u00fd \u0111\u00e3 x\u00e1c \u0111\u1ecbnh.<\/p>\n
– \u0110\u1ecdc l\u1ea1i v\u00e0 ho\u00e0n ch\u1ec9nh b\u00e0i vi\u1ebft.<\/p>\n
3.<\/b>\u00a0\u00d4n t\u1eadp v\u1ec1 v\u0103n ngh\u1ecb lu\u1eadn<\/p>\n
a.<\/b>\u00a0\u0110\u1ec1 t\u00e0i c\u01a1 b\u1ea3n c\u1ee7a v\u0103n ngh\u1ecb lu\u1eadn trong nh\u00e0 tr\u01b0\u1eddng:<\/i><\/p>\n
– Ngh\u1ecb lu\u1eadn v\u1ec1 t\u01b0 t\u01b0\u1edfng \u0111\u1ea1o l\u00ed.<\/p>\n
– Ngh\u1ecb lu\u1eadn v\u1ec1 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1eddi s\u1ed1ng (ngh\u1ecb lu\u1eadn x\u00e3 h\u1ed9i).<\/p>\n
– Ngh\u1ecb lu\u1eadn v\u1ec1 m\u1ed9t t\u00e1c ph\u1ea9m ho\u1eb7c m\u1ed9t \u0111o\u1ea1n tr\u00edch.<\/p>\n
– Ngh\u1ecb lu\u1eadn v\u1ec1 m\u1ed9t \u00fd ki\u1ebfn b\u00e0n v\u1ec1 v\u0103n h\u1ecdc.<\/p>\n
* \u0110i\u1ec3m chung:<\/p>\n
+ \u0110\u1ec1u tr\u00ecnh b\u00e0y t\u01b0 t\u01b0\u1edfng, quan \u0111i\u1ec3m, nh\u1eadn x\u00e9t \u0111\u00e1nh gi\u00e1… \u0111\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 ngh\u1ecb lu\u1eadn.<\/p>\n
+ \u0110\u1ec1u s\u1eed d\u1ee5ng c\u00e1c y\u1ebfu t\u1ed1 l\u1eadp lu\u1eadn c\u00f3 t\u00ednh thuy\u1ebft ph\u1ee5c.<\/p>\n
* \u0110i\u1ec3m kh\u00e1c bi\u1ec7t:<\/p>\n
+ \u0110\u1ed1i v\u1edbi \u0111\u1ec1 b\u00e0i ngh\u1ecb lu\u1eadn x\u00e3 h\u1ed9i, ng\u01b0\u1eddi vi\u1ebft c\u1ea7n c\u00f3 v\u1ed1n s\u1ed1ng, v\u1ed1n hi\u1ec3u bi\u1ebft th\u1ef1c t\u1ebf, hi\u1ec3u bi\u1ebft x\u00e3 h\u1ed9i phong ph\u00fa, s\u00e2u s\u1eafc,…<\/p>\n
+ \u0110\u1ed1i v\u1edbi \u0111\u1ec1 b\u00e0i ngh\u1ecb lu\u1eadn v\u0103n h\u1ecdc: ng\u01b0\u1eddi vi\u1ebft c\u1ea7n ph\u1ea3i n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c v\u0103n h\u1ecdc, c\u1ea3m th\u1ee5 t\u00e1c ph\u1ea9m,…<\/p>\n
b.<\/b>\u00a0L\u1eadp lu\u1eadn trong v\u0103n ngh\u1ecb lu\u1eadn<\/i><\/p>\n
– L\u1eadp lu\u1eadn g\u1ed3m: Lu\u1eadn \u0111i\u1ec3m, lu\u1eadn c\u1ee9 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eadp lu\u1eadn.<\/p>\n
–\u00a0Lu\u1eadn \u0111i\u1ec3m<\/i><\/b>\u00a0l\u00e0 \u00fd ki\u1ebfn th\u1ec3 hi\u1ec7n quan \u0111i\u1ec3m c\u1ee7a ng\u01b0\u1eddi vi\u1ebft \u0111\u1ed1i v\u1edbi v\u1ea5n \u0111\u1ec1 ngh\u1ecb lu\u1eadn.\u00a0Lu\u1eadn c\u1ee9<\/i><\/b>\u00a0l\u00e0 nh\u1eefng l\u00ed l\u1ebd, d\u1eabn ch\u1ee9ng \u0111\u1ec3 soi s\u00e1ng cho lu\u1eadn \u0111i\u1ec3m.\u00a0Ph\u01b0\u01a1ng ph\u00e1p l\u1eadp lu\u1eadn<\/i><\/b>\u00a0l\u00e0 c\u00e1ch x\u00e2y d\u1ef1ng, s\u1eafp x\u1ebfp lu\u1eadn c\u1ee9 theo m\u1ed9t h\u1ec7 th\u1ed1ng khoa h\u1ecdc, ch\u1eb7t ch\u1ebd \u0111\u1ec3 l\u00e0m s\u00e1ng t\u1ecf lu\u1eadn \u0111i\u1ec3m.<\/p>\n
– Y\u00eau c\u1ea7u c\u01a1 b\u1ea3n v\u00e0 c\u00e1c x\u00e1c \u0111\u1ecbnh lu\u1eadn c\u1ee9 cho lu\u1eadn \u0111i\u1ec3m: Lu\u1eadn c\u1ee9 ph\u1ea3i ti\u00eau bi\u1ec3u, ch\u00ednh x\u00e1c, \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp, ph\u00e2n t\u00edch, l\u00ed gi\u1ea3i h\u1ee3p l\u00ed, thuy\u1ebft ph\u1ee5c.<\/p>\n
– C\u00e1c thao t\u00e1c l\u1eadp lu\u1eadn: gi\u1ea3i th\u00edch, ch\u1ee9ng minh, b\u00ecnh lu\u1eadn, ph\u00e2n t\u00edch, so s\u00e1nh, b\u00e1c b\u1ecf.<\/p>\n
– Khi l\u1eadp lu\u1eadn c\u1ea7n tr\u00e1nh:<\/p>\n
+ Lu\u1eadn \u0111i\u1ec3m kh\u00f4ng r\u00f5 r\u00e0ng, ch\u00ednh x\u00e1c.<\/p>\n
+ Lu\u1eadn c\u1ee9 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7, kh\u00f4ng ti\u00eau bi\u1ec3u.<\/p>\n
+ C\u00e1ch l\u1eadp lu\u1eadn thi\u1ebfu thuy\u1ebft ph\u1ee5c…<\/p>\n
c.<\/b>\u00a0B\u1ed1 c\u1ee5c c\u1ee7a b\u00e0i v\u0103n ngh\u1ecb lu\u1eadn<\/i><\/p>\n
– M\u1edf b\u00e0i c\u00f3 vai tr\u00f2 n\u00eau v\u1ea5n \u0111\u1ec1 ngh\u1ecb lu\u1eadn, \u0111\u1ecbnh h\u01b0\u1edbng cho b\u00e0i ngh\u1ecb lu\u1eadn v\u00e0 thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a ng\u01b0\u1eddi \u0111\u1ecdc (ng\u01b0\u1eddi nghe).<\/p>\n
+ Y\u00eau c\u1ea7u c\u1ee7a m\u1edf b\u00e0i: th\u00f4ng b\u00e1o ch\u00ednh x\u00e1c, ng\u1eafn g\u1ecdn v\u1ec1 \u0111\u1ec1 t\u00e0i, h\u01b0\u1edbng ng\u01b0\u1eddi \u0111\u1ecdc v\u00e0o \u0111\u1ec1 t\u00e0i m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean, g\u1ee3i h\u1ee9ng th\u00fa v\u1edbi v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong v\u0103n b\u1ea3n.<\/p>\n
+ C\u00e1ch m\u1edf b\u00e0i: c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp ho\u1eb7c gi\u00e1n ti\u1ebfp.<\/p>\n
– Th\u00e2n b\u00e0i: l\u00e0 ph\u1ea7n ch\u00ednh c\u1ee7a b\u00e0i vi\u1ebft. N\u1ed9i dung c\u01a1 b\u1ea3n c\u1ee7a ph\u1ea7n th\u00e2n b\u00e0i l\u00e0 tri\u1ec3n khai v\u1ea5n \u0111\u1ec1 th\u00e0nh c\u00e1c l\u1eadp lu\u1eadn \u0111i\u1ec3m, lu\u1eadn c\u1ee9 v\u1edbi c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u1eadp lu\u1eadn th\u00edch h\u1ee3p.<\/p>\n
+ C\u00e1c n\u1ed9i dung c\u1ee7a ph\u1ea7n th\u00e2n b\u00e0i ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng, c\u00e1c n\u1ed9i dung ph\u1ea3i c\u00f3 quan h\u1ec7 ch\u1eb7t ch\u1ebd, logic.<\/p>\n
+ Gi\u1eefa c\u00e1c \u0111o\u1ea1n trong ph\u1ea7n th\u00e2n b\u00e0i ph\u1ea3i c\u00f3 s\u1ef1 chuy\u1ec3n \u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean k\u1ebft gi\u1eefa c\u00e1c \u00fd, c\u00e1c \u0111o\u1ea1n.<\/p>\n
c.<\/b>\u00a0K\u1ebft b\u00e0i c\u00f3 vai tr\u00f2 th\u00f4ng b\u00e1o v\u1ec1 s\u1ef1 k\u1ebft th\u00fac c\u1ee7a vi\u1ec7c tr\u00ecnh b\u00e0y \u0111\u1ec1 t\u00e0i, n\u00eau \u0111\u00e1nh gi\u00e1 kh\u00e1i qu\u00e1t c\u1ee7a ng\u01b0\u1eddi vi\u1ebft v\u1ec1 nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a v\u1ea5n \u0111\u1ec1, g\u1ee3i li\u00ean t\u01b0\u1edfng r\u1ed9ng h\u01a1n, s\u00e2u s\u1eafc h\u01a1n.<\/p>\n
d.<\/b>\u00a0Di\u1ec5n \u0111\u1ea1t trong v\u0103n ngh\u1ecb lu\u1eadn<\/p>\n
– Y\u00eau c\u1ea7u:<\/p>\n
+ Ch\u1eb7t ch\u1ebd, thuy\u1ebft ph\u1ee5c c\u1ea3 v\u1ec1 l\u00ed tr\u00ed v\u00e0 t\u00ecnh c\u1ea3m.<\/p>\n
+ C\u00e1ch d\u00f9ng t\u1eeb, vi\u1ebft c\u00e2u ch\u00ednh x\u00e1c, linh ho\u1ea1t.<\/p>\n
+ Gi\u1ecdng v\u0103n sinh \u0111\u1ed9ng th\u00edch h\u1ee3p v\u1edbi n\u1ed9i dung bi\u1ec3u \u0111\u1ea1t.<\/p>\n
1. \u0110\u1ec1 b\u00e0i<\/b><\/p>\n
\u0110\u1ec1 1 (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b><\/span><\/p>\n * X\u00f4 – c\u01a1 – r\u00e1t s\u1ebd n\u00f3i v\u1edbi ng\u01b0\u1eddi kh\u00e1ch:\u00a0\u201cN\u1ebfu c\u00e2u chuy\u1ec7n c\u1ee7a anh mu\u1ed1n k\u1ec3 kh\u00f4ng \u0111\u00fang s\u1ef1 th\u1eadt, c\u0169ng kh\u00f4ng t\u1ed1t \u0111\u1eb9p, th\u1eadm ch\u00ed ch\u1eb3ng c\u1ea7n thi\u1ebft cho t\u00f4i th\u00ec t\u1ea1i sao anh ph\u1ea3i k\u1ec3\u201d<\/i>.<\/p>\n * N\u1ed9i dung c\u1ee7a c\u00e2u chuy\u1ec7n l\u00e0 ph\u00ea ph\u00e1n hi\u1ec7n t\u01b0\u1ee3ng c\u00f3 ng\u01b0\u1eddi chuy\u00ean \u0111i n\u00f3i x\u1ea5u ng\u01b0\u1eddi kh\u00e1c. Truy\u1ec7n c\u0169ng \u0111\u1ed3ng th\u1eddi ca ng\u1ee3i s\u1ef1 th\u00f4ng minh, h\u00f3m h\u1ec9nh, \u0111\u1ea1o \u0111\u1ee9c c\u1ee7a X\u00f4 – c\u01a1 \u2013 r\u00e1t. – C\u00e2u chuy\u1ec7n l\u00e0 m\u1ed9t b\u00e0i h\u1ecdc qu\u00fd b\u00e1u v\u1ec1 t\u00ecnh b\u1ea1n, v\u1ec1 \u0111\u1ea1o l\u00ed v\u00e0 l\u1ed1i s\u1ed1ng \u0111\u00fang \u0111\u1eafn.<\/p>\n – B\u00e0i h\u1ecdc r\u00fat ra cho b\u1ea3n th\u00e2n: Ph\u1ea3i \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00e2n th\u1ef1c, t\u1ed1t \u0111\u1eb9p, c\u00f3 \u00edch c\u1ee7a s\u1ef1 v\u1eadt \u0111\u01b0\u1ee3c nghe, \u0111\u01b0\u1ee3c k\u1ec3.<\/p>\n \u0110\u1ec1 2: (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b>\u00a0t\u1ef1 ch\u1ecdn v\u00e0 ph\u00e2n t\u00edch m\u1ed9t \u0111o\u1ea1n th\u01a1 m\u00e0 m\u00ecnh y\u00eau th\u00edch nh\u1ea5t trong \u0111o\u1ea1n tr\u00edch\u00a0\u0110\u1ea5t N\u01b0\u1edbc<\/i>\u00a0c\u1ee7a Nguy\u1ec5n Khoa \u0110i\u1ec1m.<\/p>\n Y\u00eau c\u1ea7u luy\u1ec7n t\u1eadp<\/b><\/p>\n a,<\/b>\u00a0T\u00ecm hi\u1ec3u \u0111\u1ec1<\/p>\n * Hai \u0111\u1ec1 b\u00e0i tr\u00ean thu\u1ed9c ki\u1ec3u b\u00e0i ngh\u1ecb lu\u1eadn:<\/p>\n – \u0110\u1ec1 b\u00e0i 1 thu\u1ed9c d\u1ea1ng \u0111\u1ec1 ngh\u1ecb lu\u1eadn v\u1ec1 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng trong cu\u1ed9c s\u1ed1ng.<\/p>\n – \u0110\u1ec1 b\u00e0i 2 thu\u1ed9c d\u1ea1ng \u0111\u1ec1 ngh\u1ecb lu\u1eadn v\u0103n h\u1ecdc ph\u00e2n t\u00edch m\u1ed9t \u0111o\u1ea1n th\u01a1 trong \u0111o\u1ea1n tr\u00edch\u00a0\u0110\u1ea5t N\u01b0\u1edbc<\/i>\u00a0c\u1ee7a Nguy\u1ec5n Khoa \u0110i\u1ec1m.<\/p>\n * Nh\u1eefng thao t\u00e1c l\u1eadp lu\u1eadn c\u1ea7n s\u1eed d\u1ee5ng:<\/p>\n – \u0110\u1ec1 1: (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b>\u00a0thao t\u00e1c ph\u00e2n t\u00edch k\u1ebft h\u1ee3p v\u1edbi b\u00ecnh lu\u1eadn<\/p>\n – \u0110\u1ec1 2: (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b>\u00a0thao th\u00e1c ph\u00e2n t\u00edch k\u1ebft h\u1ee3p v\u1edbi c\u00e1c thao th\u00e1c ch\u1ee9ng minh, gi\u1ea3i th\u00edch, so s\u00e1nh, b\u00ecnh lu\u00e2n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 nh\u1eefng t\u01b0 t\u01b0\u1edfng c\u1ee7a \u0111o\u1ea1n th\u01a1.<\/p>\n * Nh\u1eefng lu\u1eadn \u0111i\u1ec3m d\u1ef1 ki\u1ebfn:<\/p>\n – \u0110\u1ec1 1: (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b><\/p>\n + M\u1ee5c \u0111\u00edch c\u1ee7a ba c\u00e2u h\u1ecfi m\u00e0 X\u00f4 – c\u01a1 – r\u00e1t \u0111\u01b0a ra.<\/p>\n + R\u00fat ra k\u1ebft lu\u1eadn v\u1ec1 c\u00e2u n\u00f3i cu\u1ed1i c\u00f9ng c\u1ee7a nh\u00e0 tri\u1ebft h\u1ecdc X\u00f4 – c\u01a1 – r\u00e1t: \u00f4ng c\u00f3 th\u1ec3 s\u1ebd n\u00f3i \u0111i\u1ec1u g\u00ec?<\/p>\n + B\u00ecnh lu\u1eadn v\u00e0 r\u00fat ra b\u00e0i h\u1ecdc cho b\u1ea3n th\u00e2n t\u1eeb c\u00e2u chuy\u1ec7n tr\u00ean.<\/p>\n – \u0110\u1ec1 2: (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b><\/p>\n + Gi\u00e1 tr\u1ecb n\u1ed9i dung c\u1ee7a \u0111o\u1ea1n th\u01a1.<\/p>\n + Gi\u00e1 tr\u1ecb ngh\u1ec7 thu\u1eadt c\u1ee7a \u0111o\u1ea1n th\u01a1.<\/p>\n b,<\/b>\u00a0L\u1eadp d\u00e0n \u00fd<\/p>\n * \u0110\u1ec1 1 (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b><\/span><\/p>\n – M\u1edf b\u00e0i: Gi\u1edbi thi\u1ec7u v\u00e0 tr\u00edch d\u1eabn c\u00e2u chuy\u1ec7n.<\/p>\n – Th\u00e2n b\u00e0i:<\/p>\n + M\u1ee5c \u0111\u00edch c\u1ee7a ba c\u00e2u h\u1ecfi m\u00e0 X\u00f4 – c\u01a1 – r\u00e1t \u0111\u00e3 \u0111\u01b0a ra: t\u00ecm hi\u1ec3u t\u00ednh ch\u1ea5t c\u00e2u chuy\u1ec7n s\u1eafp x\u1ea3y ra (C\u00f3 \u0111\u00fang kh\u00f4ng? C\u00f3 t\u1ed1t kh\u00f4ng? V\u00e0 c\u00f3 \u00edch kh\u00f4ng?).<\/p>\n + R\u00fat ra k\u1ebft lu\u1eadn v\u1ec1 c\u00e2u n\u00f3i cu\u1ed1i truy\u1ec7n c\u1ee7a nh\u00e0 tri\u1ebft h\u1ecdc: \u00f4ng c\u00f3 th\u1ec3 \u0111\u00e3 n\u00f3i n\u00f3i v\u1edbi ng\u01b0\u1eddi kh\u00e1ch:\u00a0\u201cN\u1ebfu c\u00e2u chuy\u1ec7n c\u1ee7a anh mu\u1ed1n k\u1ec3 kh\u00f4ng \u0111\u00fang s\u1ef1 th\u1eadt, c\u0169ng kh\u00f4ng t\u1ed1t \u0111\u1eb9p, th\u1eadm ch\u00ed ch\u1eb3ng c\u1ea7n thi\u1ebft cho t\u00f4i th\u00ec t\u1ea1i sao anh ph\u1ea3i k\u1ec3\u201d<\/i>.<\/p>\n + B\u00ecnh lu\u1eadn v\u00e0 r\u00fat ra b\u00e0i h\u1ecdc cho b\u1ea3n th\u00e2n:<\/p>\n N\u1ed9i dung c\u1ee7a c\u00e2u chuy\u1ec7n l\u00e0 ph\u00ea ph\u00e1n hi\u1ec7n t\u01b0\u1ee3ng c\u00f3 ng\u01b0\u1eddi chuy\u00ean \u0111i n\u00f3i x\u1ea5u ng\u01b0\u1eddi kh\u00e1c. Truy\u1ec7n c\u0169ng \u0111\u1ed3ng th\u1eddi ca ng\u1ee3i s\u1ef1 th\u00f4ng minh, h\u00f3m h\u1ec9nh, \u0111\u1ea1o \u0111\u1ee9c c\u1ee7a X\u00f4 – c\u01a1 – r\u00e1t. C\u00e2u chuy\u1ec7n l\u00e0 m\u1ed9t b\u00e0i h\u1ecdc qu\u00fd b\u00e1u v\u1ec1 t\u00ecnh b\u1ea1n, v\u1ec1 \u0111\u1ea1o l\u00ed v\u00e0 l\u1ed1i s\u1ed1ng \u0111\u00fang \u0111\u1eafn.<\/p>\n B\u00e0i h\u1ecdc r\u00fat ra cho b\u1ea3n th\u00e2n: Ph\u1ea3i \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00e2n th\u1ef1c, t\u1ed1t \u0111\u1eb9p, c\u00f3 \u00edch c\u1ee7a s\u1ef1 v\u1eadt \u0111\u01b0\u1ee3c nghe, \u0111\u01b0\u1ee3c k\u1ec3.<\/p>\n – K\u1ebft b\u00e0i: Kh\u1eb3ng \u0111\u1ecbnh l\u1ea1i t\u00ednh c\u00f3 \u00edch c\u1ee7a c\u00e2u chuy\u1ec7n v\u00e0 kh\u00e1i qu\u00e1t b\u00e0i h\u1ecdc r\u00fat ra \u0111\u01b0\u1ee3c.<\/p>\n * \u0110\u1ec3 2: (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b><\/span><\/p>\n – M\u1edf b\u00e0i: Gi\u1edbi thi\u1ec7u \u0111o\u1ea1n tr\u00edch v\u00e0 n\u1ed9i dung \u0111o\u1ea1n tr\u00edch.<\/p>\n – Th\u00e2n b\u00e0i:<\/p>\n + Ho\u00e0n c\u1ea3nh ra \u0111\u1eddi c\u1ee7a t\u00e1c ph\u1ea9m, v\u1ecb tr\u00ed \u0111o\u1ea1n tr\u00edch.<\/p>\n + Ph\u00e2n t\u00edch nh\u1eefng gi\u00e1 tr\u1ecb v\u1ec1 n\u1ed9i dung t\u01b0 t\u01b0\u1edfng.<\/p>\n + Ph\u00e2n t\u00edch nh\u1eefng gi\u00e1 tr\u1ecb ngh\u1ec7 thu\u1eadt c\u1ee7a \u0111o\u1ea1n tr\u00edch.<\/p>\n + \u00dd ngh\u0129a \u0111o\u1ea1n th\u01a1: \u0111o\u1ea1n th\u01a1 \u0111\u00e3 g\u00f3p ph\u1ea7n th\u1ec3 hi\u1ec7n gi\u00e1 tr\u1ecb t\u00e1c ph\u1ea9m nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n – K\u1ebft b\u00e0i: Kh\u1eb3ng \u0111\u1ecbnh gi\u00e1 tr\u1ecb \u0111o\u1ea1n th\u01a1 c\u0169ng nh\u01b0 b\u00e0i th\u01a1.<\/p>\n c,<\/b>\u00a0T\u1eadp vi\u1ebft m\u1edf b\u00e0i<\/p>\n G\u1ee3i \u00fd<\/p>\n – \u0110\u1ec1 1: (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b>\u00a0(tr\u00edch d\u1eabn c\u00e2u chuy\u1ec7n)<\/p>\n X\u00f4 – c\u01a1 – r\u00e1t \u0111\u00e3 n\u00f3i g\u00ec v\u1edbi ng\u01b0\u1eddi kh\u00e1ch c\u1ee7a m\u00ecnh? Nh\u00e0 tri\u1ebft gia n\u1ed5i ti\u1ebfng \u1ea5y \u0111\u00e3 cho ch\u00fang ta b\u00e0i h\u1ecdc b\u1ed5 \u00edch g\u00ec trong cu\u1ed9c s\u1ed1ng?<\/p>\n – \u0110\u1ec1 2: (trang 183 sgk Ng\u1eef V\u0103n 12 T\u1eadp 2):<\/b>\u00a0Nguy\u1ec5n Khoa \u0110i\u1ec1m l\u00e0 m\u1ed9t g\u01b0\u01a1ng m\u1eb7t bi\u1ec3u c\u1ee7a l\u1edbp nh\u00e0 th\u01a1 tr\u1ebb trong kh\u00e1ng chi\u1ebfn ch\u1ed1ng M\u1ef9. N\u00e9t \u0111\u1ed9c \u0111\u00e1o trong phong c\u00e1ch th\u01a1 c\u1ee7a nh\u00e0 v\u0103n l\u00e0 c\u00f3 nhi\u1ec1u t\u00ecm t\u00f2i, kh\u00e1m ph\u00e1 nh\u1eefng \u00fd t\u01b0\u1edfng s\u00e2u s\u1eafc v\u1ec1 nh\u00e2n d\u00e2n \u0111\u1ea5t n\u01b0\u1edbc. \u0110i\u1ec1u \u1ea5y \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n r\u1ea5t r\u00f5 trong b\u00e0i th\u01a1 \u0110\u1ea5t N\u01b0\u1edbc v\u00e0 trong \u0111o\u1ea1n tr\u00edch…<\/p>\n d.<\/b>\u00a0T\u1ef1 ch\u1ecdn m\u1ed9t \u00fd trong d\u00e0n \u00fd \u0111\u1ec3 vi\u1ebft th\u00e0nh m\u1ed9t \u0111o\u1ea1n v\u0103n.<\/p>\n","protected":false},"excerpt":{"rendered":" 1.\u00a0C\u00e1c ki\u1ec3u v\u0103n b\u1ea3n \u0111\u00e3 h\u1ecdc trong ch\u01b0\u01a1ng tr\u00ecnh Ng\u1eef v\u0103n Trung h\u1ecdc ph\u1ed5 th\u00f4ng: – T\u1ef1 s\u1ef1: tr\u00ecnh b\u00e0y c\u00e1c s\u1ef1 vi\u1ec7c (s\u1ef1 ki\u1ec7n) c\u00f3 quan h\u1ec7 nh\u00e2n qu\u1ea3 d\u1eabn \u0111\u1ebfn k\u1ebft c\u1ee5c nh\u1eb1m bi\u1ec3u hi\u1ec7n con ng\u01b0\u1eddi, \u0111\u1eddi s\u1ed1ng, t\u01b0 t\u01b0\u1edfng, th\u00e1i \u0111\u1ed9,… – Thuy\u1ebft minh: Tr\u00ecnh b\u00e0y thu\u1ed9c t\u00ednh, nguy\u00ean nh\u00e2n, k\u1ebft […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1300],"tags":[1382,1378,1380],"yoast_head":"\n