1.<\/b>\u00a0C\u00e1c thao t\u00e1c l\u1eadp lu\u1eadn \u0111\u00e3 h\u1ecdc l\u00e0 ch\u1ee9ng minh, gi\u1ea3i th\u00edch, ph\u00e2n t\u00edch, so s\u00e1nh, b\u00e1c b\u1ecf v\u00e0 b\u00ecnh lu\u1eadn.<\/p>\n
\u0110\u1eb7c tr\u01b0ng c\u01a1 b\u1ea3n:<\/p>\n
– Ch\u1ee9ng minh l\u00e0 d\u00f9ng d\u1eabn ch\u1ee9ng \u0111\u1ec3 l\u00e0m cho ng\u01b0\u1eddi ta tin.<\/p>\n
– Gi\u1ea3i th\u00edch l\u00e0 d\u00f9ng l\u00ed l\u1ebd \u0111\u1ec3 l\u00e0m cho ng\u01b0\u1eddi ta bi\u1ebft.<\/p>\n
– Ph\u00e2n t\u00edch l\u00e0 t\u00e1ch nh\u1ecf th\u00e0nh nhi\u1ec1u b\u1ed9 ph\u1eadn, chi ti\u1ebft \u0111\u1ec3 l\u00e0m cho ng\u01b0\u1eddi ta hi\u1ec3u bi\u1ebft m\u1ed9t c\u00e1ch c\u1eb7n k\u1ebd, th\u1ea5u \u0111\u00e1o.<\/p>\n
– So s\u00e1nh l\u00e0 l\u00e0m cho ng\u01b0\u1eddi ta nh\u1eadn r\u00f5 gi\u00e1 tr\u1ecb c\u1ee7a s\u1ef1 v\u1eadt, hi\u1ec7n t\u01b0\u1ee3ng, t\u01b0 t\u01b0\u1edfng b\u1eb1ng c\u00e1ch \u0111\u1ed1i chi\u1ebfu v\u1edbi m\u1ed9t s\u1ef1 v\u1eadt, hi\u1ec7n t\u01b0\u1ee3ng, t\u01b0 t\u01b0\u1edfng kh\u00e1c.<\/p>\n
– B\u00e1c b\u1ecf l\u00e0 nh\u1eb1m ph\u1ee7 nh\u1eadn.<\/p>\n
– B\u00ecnh lu\u1eadn l\u00e0 thuy\u1ebft ph\u1ee5c ng\u01b0\u1eddi kh\u00e1c nghe theo s\u1ef1 \u0111\u00e1nh gi\u00e1 v\u00e0 b\u00e0n b\u1ea1c c\u1ee7a ng\u01b0\u1eddi vi\u1ebft, ng\u01b0\u1eddi n\u00f3i.<\/p>\n
2.<\/b>\u00a0Trong \u0111o\u1ea1n tr\u00edch, t\u00e1c gi\u1ea3 \u0111\u00e3 s\u1eed d\u1ee5ng thao t\u00e1c ch\u1ee9ng minh l\u00e0 ch\u1ee7 y\u1ebfu. B\u1eb1ng th\u1ef1c t\u1ebf l\u1ecbch s\u1eed h\u01a1n 80 n\u0103m \u0111\u00f4 h\u1ed9 n\u01b0\u1edbc ta, t\u00e1c gi\u1ea3 ch\u1ee9ng minh b\u1ecdn th\u1ef1c d\u00e2n Ph\u00e1p \u0111\u00e3 ph\u1ea3n b\u1ed9i ch\u00e0 \u0111\u1ea1p l\u00ean b\u1eb1ng nh\u1eefng th\u00e0nh t\u1ef1u v\u1ec1 t\u01b0 t\u01b0\u1edfng v\u00e0 v\u0103n minh nh\u00e2n lo\u1ea1i: \u0111\u1ed9c l\u1eadp, t\u1ef1 do, b\u00ecnh \u0111\u1eb3ng.<\/p>\n
3.<\/b>\u00a0Vi\u1ebft b\u00e0i v\u0103n ngh\u1ecb lu\u1eadn b\u00e0y t\u1ecf \u00fd ki\u1ebfn v\u1ec1 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111ang \u0111\u1eb7t ra theo \u0111\u1eddi s\u1ed1ng v\u0103n h\u00f3a \u2013 tinh th\u1ea7n c\u1ee7a con ng\u01b0\u1eddi v\u1edbi y\u00eau c\u1ea7u ph\u1ea3i v\u1eadn d\u1ee5ng t\u1ed5ng h\u1ee3p \u00edt nh\u1ea5t ba thao t\u00e1c l\u1eadp lu\u1eadn kh\u00e1c nhau.<\/p>\nII. Luy\u1ec7n t\u1eadp \u1edf nh\u00e0<\/h2>\n
1.<\/b>\u00a0C\u00e1c b\u00e0i v\u0103n H\u1ecbch t\u01b0\u1edbng s\u0129 (Tr\u1ea7n Qu\u1ed1c Tu\u1ea5n), Chi\u1ebfu d\u1eddi \u0111\u00f4 (L\u00fd C\u00f4ng U\u1ea9n), B\u00e0n v\u1ec1 ph\u00e9p h\u1ecdc (Nguy\u1ec5n Thi\u1ebfp)… C\u00f3 s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p th\u00e0nh c\u00f4ng nhi\u1ec1u tao t\u00e1c l\u1eadp lu\u1eadn kh\u00e1c nhau.<\/p>\n
2.<\/b>\u00a0H\u1ecdc sinh v\u1eadn d\u1ee5ng c\u00e1c thao t\u00e1c l\u1eadp lu\u1eadn kh\u00e1c nhau \u0111\u1ec3 tr\u00ecnh b\u00e0y quan \u0111i\u1ec3m \u00fd ki\u1ebfn c\u1ee7a m\u00ecnh v\u1ec1 c\u00e1c \u0111\u1ec1 t\u00e0i trong sgk.<\/p>\n","protected":false},"excerpt":{"rendered":"
I. Luy\u1ec7n t\u1eadp tr\u00ean l\u1edbp 1.\u00a0C\u00e1c thao t\u00e1c l\u1eadp lu\u1eadn \u0111\u00e3 h\u1ecdc l\u00e0 ch\u1ee9ng minh, gi\u1ea3i th\u00edch, ph\u00e2n t\u00edch, so s\u00e1nh, b\u00e1c b\u1ecf v\u00e0 b\u00ecnh lu\u1eadn. \u0110\u1eb7c tr\u01b0ng c\u01a1 b\u1ea3n: – Ch\u1ee9ng minh l\u00e0 d\u00f9ng d\u1eabn ch\u1ee9ng \u0111\u1ec3 l\u00e0m cho ng\u01b0\u1eddi ta tin. – Gi\u1ea3i th\u00edch l\u00e0 d\u00f9ng l\u00ed l\u1ebd \u0111\u1ec3 l\u00e0m cho ng\u01b0\u1eddi ta […]<\/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":[1378,1381,1380],"yoast_head":"\n