a,<\/p>\n

– N\u1ed9i dung b\u00e1c b\u1ecf: B\u00e1c b\u1ecf l\u1ed1i s\u1ed1ng theo ch\u1ee7 ngh\u0129a c\u00e1 nh\u00e2n,<\/p>\n

– C\u00e1ch b\u00e1c b\u1ecf: d\u00f9ng bi\u1ec7n ph\u00e1p so s\u00e1nh v\u00e0 l\u00ed l\u1ebd \u0111\u1ec3 b\u00e1c b\u1ecf. T\u00e1c gi\u1ea3 so s\u00e1nh l\u1ed1i s\u1ed1ng c\u00e1 nh\u00e2n nh\u01b0 l\u00e0 m\u1ed9t khu v\u01b0\u1eddn \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c c\u1ea9n th\u1eadn nh\u01b0ng l\u1ea1i kh\u00f4ng th\u1ec3 ch\u1ed1ng \u0111\u01b0\u1ee3c b\u00e3o t\u00e1p. Do v\u1eady, h\u1ea1nh ph\u00fac c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c tr\u1ea3i qua nh\u1eefng gian nan, th\u1eed th\u00e1ch.<\/p>\n

b,<\/p>\n

– N\u1ed9i dung b\u00e1c b\u1ecf: b\u00e1c b\u1ecf quan \u0111i\u1ec3m k\u1ebb s\u0129 kh\u00f4ng n\u00ean ra ph\u1ee5ng s\u1ef1 c\u00f4ng vi\u1ec7c c\u1ee7a thi\u00ean tri\u1ec1u.<\/p>\n

– C\u00e1ch b\u00e1c b\u1ecf: t\u00e1c gi\u1ea3 \u0111\u01b0a h\u00e0ng lo\u1ea1t nh\u1eefng l\u1eadp lu\u1eadn c\u00f3 t\u00ednh ch\u1ea5t l\u1ef1a ch\u1ecdn, \u0111\u1ec3 t\u1eeb \u0111\u00f3 h\u01b0\u1edbng ng\u01b0\u1eddi nghe \u0111\u1ebfn nh\u1eefng l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn, h\u1ee3p l\u00ed. L\u1eddi lu\u1eadn l\u1eadp v\u1eeba r\u1ea5t ch\u1eb7t ch\u1ebd, l\u1ea1i v\u1eeba gi\u00e0u c\u1ea3m x\u00fac. V\u00ec th\u1ebf t\u00ednh thuy\u1ebft ph\u1ee5c c\u1ee7a \u0111o\u1ea1n b\u00e1c b\u1ecf r\u1ea5t cao.<\/p>\n

C\u00e2u 2 (trang 32 sgk Ng\u1eef V\u0103n 11 T\u1eadp 2):<\/b><\/span><\/p>\n

G\u1ee3i \u00fd: Tri\u1ec3n khai \u0111o\u1ea1n v\u0103n theo b\u1ed1 c\u1ee5c:<\/p>\n

– N\u00eau \u00fd ki\u1ebfn c\u1ea7n b\u00e1c b\u1ecf.<\/p>\n

– Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n<\/p>\n

– Ch\u1ec9 ra nh\u1eefng t\u00e1c h\u1ea1i c\u1ee7a nh\u1eefng nh\u1eadn th\u1ee9c sai l\u1ec7ch.<\/p>\n

– \u0110\u1ec1 xu\u1ea5t m\u1ed9t v\u00e0i suy ngh\u0129 v\u00e0 h\u00e0nh \u0111\u1ed9ng \u0111\u00fang \u0111\u1eafn v\u1ec1 v\u1ea5n \u0111\u1ec1 b\u00e0n lu\u1eadn.<\/p>\n

V\u00ed d\u1ee5 b\u00e1c b\u1ecf quan ni\u1ec7m: Mu\u1ed1n h\u1ecdc gi\u1ecfi m\u00f4n Ng\u1eef v\u0103n c\u1ea7n ch\u0103m ch\u1ec9 \u0111\u1ecdc nhi\u1ec1u s\u00e1ch, h\u1ecdc thu\u1ed9c th\u01a1 v\u0103n.<\/p>\n

– \u00dd ki\u1ebfn b\u00e1c b\u1ecf: N\u1ebfu ch\u0103m ch\u1ec9 \u0111\u1ecdc nhi\u1ec1u s\u00e1ch, h\u1ecdc thu\u1ed9c th\u01a1 v\u0103n th\u00ec ch\u1ec9 l\u00e0m cho ki\u1ebfn th\u1ee9c c\u1ee7a ch\u00fang ta th\u00eam phong ph\u00fa ch\u1ee9 kh\u00f4ng th\u1ec3 r\u00e8n luy\u1ec7n t\u01b0 duy, kh\u1ea3 n\u0103ng s\u00e1ng t\u1ea1o.<\/p>\n

– Nguy\u00ean nh\u00e2n: Quan ni\u1ec7m tr\u00ean b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng suy ngh\u0129 phi\u1ebfn di\u1ec7n, r\u1eadp khu\u00f4n, ch\u01b0a c\u00f3 bi\u1ec7n ph\u00e1p h\u1ecdc t\u1eadp \u0111\u00fang \u0111\u1eafn.<\/p>\n

– T\u00e1c h\u1ea1i: \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn k\u1ebft qu\u1ea3 h\u1ecdc t\u1eadp, t\u1edbi s\u1ef1 r\u00e8n luy\u1ec7n ph\u1ea9m ch\u1ea5t \u0111\u1ea1o \u0111\u1ee9c c\u1ee7a thanh ni\u00ean, h\u1ecdc sinh.<\/p>\n

– \u0110\u1ec1 xu\u1ea5t:<\/p>\n

+ \u0110\u1ecdc nhi\u1ec1u s\u00e1ch, nh\u1edb nh\u1eefng d\u1eabn ch\u1ee9ng hay.<\/p>\n

+ T\u00ecm t\u00f2i, ph\u00e1t hi\u1ec7n c\u00e1i m\u1edbi.<\/p>\n

C\u00e2u 3 (trang 32 sgk Ng\u1eef V\u0103n 11 T\u1eadp 2):<\/b><\/span><\/p>\n

L\u1eadp d\u00e0n \u00fd:<\/p>\n

a, M\u1edf b\u00e0i: D\u1eabn d\u1eaft n\u00eau nh\u1eadn x\u00e9t kh\u00e1i qu\u00e1t v\u1ec1 quan ni\u1ec7m c\u1ea7n b\u00e1c b\u1ecf.<\/p>\n

b, Th\u00e2n b\u00e0i<\/p>\n

– Kh\u1eb3ng \u0111\u1ecbnh t\u00ednh \u0111\u00fang sai c\u1ee7a quan ni\u1ec7m: Quan ni\u1ec7m tr\u00ean l\u00e0 ho\u00e0n to\u00e0n sai.<\/p>\n

– Nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn quan ni\u1ec7m sai.<\/p>\n

– Bi\u1ec3u hi\u1ec7n c\u1ee7a ni\u1ec7m sai v\u00e0 t\u00e1c h\u1ea1i c\u1ee7a n\u00f3.<\/p>\n

– Kh\u1eb3ng \u0111\u1ecbnh m\u1ed9t quan ni\u1ec7m v\u1ec1 c\u00e1ch s\u1ed1ng \u0111\u00fang: c\u00e1ch s\u1ed1ng \u201cs\u00e0nh \u0111i\u1ec7u\u201d c\u1ee7a tu\u1ed5i tr\u1ebb th\u1eddi h\u1ed9i nh\u1eadp l\u00e0 kh\u00f4ng ng\u1eebng h\u1ecdc t\u1eadp \u0111\u1ec3 c\u00f3 tri th\u1ee9c hi\u1ec7n \u0111\u1ea1i, kh\u00f4ng ng\u1eebng r\u00e8n luy\u1ec7n \u0111\u1ec3 c\u00f3 s\u1ee9c kh\u1ecfe t\u1ed1t, c\u00f3 v\u1ed1n hi\u1ec3u bi\u1ebft v\u00e0 th\u00edch \u1ee9ng nhanh v\u1edbi cu\u1ed9c s\u1ed1ng.<\/p>\n

c, K\u1ebft b\u00e0i<\/p>\n

– B\u00e0i h\u1ecdc r\u00fat ra t\u1eeb kinh nghi\u1ec7m tr\u00ean.<\/p>\n

– M\u1edf r\u1ed9ng, li\u00ean h\u1ec7 th\u1ef1c t\u1ebf.<\/p>\n