C\u00e2u 1 (trang 127 sgk Ng\u1eef V\u0103n 12 T\u1eadp 1):<\/b><\/span><\/p>\n* Gi\u1ed1ng nhau:<\/p>\n
– \u0110\u1ec1u d\u00f9ng v\u1ea7n ch\u00e2n, v\u1ea7n l\u01b0ng, v\u00e0 nhi\u1ec1u v\u1ea7n kh\u00e1c.<\/p>\n
– C\u00e1ch ng\u1eaft nh\u1ecbp 2\/3 v\u00e0 c\u00e1c c\u00e1ch ng\u1eaft nh\u1ecbp kh\u00e1c.<\/p>\n
* Kh\u00e1c nhau<\/p>\n
–\u00a0S\u00f3ng<\/b><\/p>\n
+ S\u1eed d\u1ee5ng v\u1ea7n linh ho\u1ea1t: v\u1ea7n c\u00e1ch (th\u1ebf, tr\u1ebb), v\u1ea7n ch\u00e2n (tr\u1ebb, b\u1ebf, l\u1edbn, l\u00ean).<\/p>\n
+ C\u00e1ch ng\u1eaft nh\u1ecbp: 1\/2\/2. 2\/3, 3\/2<\/p>\n
+ H\u00e0i thanh: Th\u01a1 hi\u1ec7n \u0111\u1ea1i kh\u00f4ng b\u1eaft bu\u1ed9c ph\u1ea3i \u0111\u1ed1i thanh B\/ T<\/p>\n
B B T B B<\/p>\n
B B B T T<\/p>\n
T T T B B<\/p>\n
B B B T T<\/p>\n
T B B T T<\/p>\n
B T B B B<\/p>\n
B T B T T<\/p>\n
B B B T B<\/p>\n
–\u00a0M\u1eb7t tr\u0103ng<\/b><\/p>\n
+ V\u1ea7n: v\u1ea7n \u0111\u1ed9c (m\u1ed9t v\u1ea7n). v\u1ea7n c\u00e1ch.<\/p>\n
+ Nh\u1ecbp 2\/3<\/p>\n
+ H\u00e0i thanh: y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t v\u1ec1 \u0111\u1ed1i thanh, \u0111\u1ed1i ngh\u0129a.<\/p>\n
B T T B T<\/p>\n
B B T T B<\/p>\n
T B B T T<\/p>\n
T T T B B<\/p>\n
T T B B T<\/p>\n
B B T T B<\/p>\n
T B B T T<\/p>\n
T T T B B<\/p>\n
C\u00e2u 2 (trang 127 sgk Ng\u1eef V\u0103n 12 T\u1eadp 1):<\/b><\/span><\/p>\n– C\u00e1ch gieo v\u1ea7n: v\u1ea7n ch\u00e2n, \u0111\u1ed9c v\u1eadn (m\u1ed9t v\u1ea7n).<\/p>\n
– Ng\u1eaft nh\u1ecbp: 2\/5 v\u00e0 4\/3.<\/p>\n
– S\u1ef1 \u0111\u1ed5i m\u1edbi:<\/p>\n
+ N\u1ebfu c\u00e2u th\u01a1 \u0111\u1ea7u \u1edf th\u1ec3 th\u01a1 th\u1ea5t ng\u00f4n b\u00e1t c\u00fa \u0110\u01b0\u1eddng lu\u1eadt l\u00e0 nh\u1ecbp \u0111i\u1ec7u quen thu\u1ed9c 4\/3, th\u00ec trong b\u00e0i th\u01a1, t\u00e1c gi\u1ea3 \u0111\u00e3 c\u00f3 s\u1ef1 s\u00e1ng t\u1ea1o v\u00e0 \u0111\u1ed5i m\u1edbi trong vi\u1ec7c ng\u1eaft nh\u1ecbp 2\/5:\u00a0\u0110\u01b0a ng\u01b0\u1eddi \/ ta kh\u00f4ng \u0111\u01b0a qua s\u00f4ng.<\/i>\u00a0\u0110\u00e2y l\u00e0 c\u00e2u th\u01a1 to\u00e0n thanh b\u1eb1ng.<\/p>\n
+ C\u00e2u th\u01a1 th\u1ee9 hai nh\u1ecbp 2\/5: Sao c\u00f3 ti\u1ebfng s\u00f3ng \u1edf trong l\u00f2ng. C\u00e2u th\u01a1 c\u00f3 ba thanh tr\u1eafc r\u1ea5t g\u1eaft\u00a0\u201cc\u00f3 ti\u1ebfng s\u00f3ng\u201d.<\/i><\/p>\n
\u2192 T\u1ea1o cho \u0111o\u1ea1n th\u01a1 c\u00f3 gi\u1ecdng \u0111i\u1ec7u ri\u00eang v\u1eeba thi\u1ebft tha, v\u1eeba tr\u00e0n \u0111\u1ea7y c\u1ea3m x\u00fac.<\/p>\n
C\u00e2u 3 (trang 128 sgk Ng\u1eef V\u0103n 12 T\u1eadp 1):<\/b><\/span><\/p>\nD\u00f9ng c\u00e1c k\u00ed ki\u1ec7u B (b\u1eb1ng) T (tr\u1eafc), Bv (b\u1eb1ng, v\u1ea7n), \u0110 (\u0111\u1ed1i), \/ (gh\u1ea1ch nh\u1ecbp) \u0111\u1ec3 ghi l\u1ea1i m\u00f4 h\u00ecnh \u00e2m lu\u1eadt trong b\u00e0i th\u01a1 M\u1eddi tr\u1ea7u (H\u1ed3 Xu\u00e2n H\u01b0\u01a1ng):<\/p>\n
T B B T \/ T B Bv<\/p>\n
B T B B \/ T T Bv<\/p>\n
T T B B \/ B T T<\/p>\n
B B B T T \/ B Bv<\/p>\n
C\u00e2u 4 (trang 128 sgk Ng\u1eef V\u0103n 12 T\u1eadp 1):<\/b><\/span><\/p>\n– V\u1ea7n: \u0111\u1ed9c v\u1eadn (m\u1ed9t v\u1ea7n), ong (song, d\u00f2ng).<\/p>\n
– Nh\u1ecbp 4\/3<\/p>\n
– H\u00e0i thanh<\/p>\n
T T B B B T T<\/p>\n
B B B T T B B<\/p>\n
B B T T B B T<\/p>\n
T T B B T T B<\/p>\n
Nh\u00ecn chung v\u1ec1 v\u1ea7n, nh\u1ecbp, h\u00e0i thanh t\u01b0\u01a1ng t\u1ef1 v\u1edbi v\u1ea7n, nh\u1ecbp v\u00e0 h\u00e0i thanh c\u1ee7a th\u1ec3 th\u01a1 th\u1ea5t ng\u00f4n b\u00e1t c\u00fa.<\/p>\n","protected":false},"excerpt":{"rendered":"
Luy\u1ec7n t\u1eadp C\u00e2u 1 (trang 127 sgk Ng\u1eef V\u0103n 12 T\u1eadp 1): * Gi\u1ed1ng nhau: – \u0110\u1ec1u d\u00f9ng v\u1ea7n ch\u00e2n, v\u1ea7n l\u01b0ng, v\u00e0 nhi\u1ec1u v\u1ea7n kh\u00e1c. – C\u00e1ch ng\u1eaft nh\u1ecbp 2\/3 v\u00e0 c\u00e1c c\u00e1ch ng\u1eaft nh\u1ecbp kh\u00e1c. * Kh\u00e1c nhau –\u00a0S\u00f3ng + S\u1eed d\u1ee5ng v\u1ea7n linh ho\u1ea1t: v\u1ea7n c\u00e1ch (th\u1ebf, tr\u1ebb), v\u1ea7n ch\u00e2n (tr\u1ebb, b\u1ebf, […]<\/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
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