{"id":18055,"date":"2024-04-21T05:11:29","date_gmt":"2024-04-21T05:11:29","guid":{"rendered":"https:\/\/soicau2008.minhngocxoso.com\/cach-danh-de-cau-giai-7-cho-ai-chua-biet\/"},"modified":"2024-04-21T05:11:29","modified_gmt":"2024-04-21T05:11:29","slug":"cach-danh-de-cau-giai-7-cho-ai-chua-biet","status":"publish","type":"post","link":"https:\/\/soicauxoso18h.com\/cach-danh-de-cau-giai-7-cho-ai-chua-biet\/","title":{"rendered":"c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 c\u1ea7u gi\u1ea3i 7 cho ai ch\u01b0a bi\u1ebft"},"content":{"rendered":"
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C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 c\u1ea7u gi\u1ea3i 7 n\u00e0y \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i \u0111\u01b0a ra nh\u1eb1m gi\u00fap c\u00e1c b\u1ea1n ch\u01b0a bi\u1ebft c\u00f3 th\u1ec3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft c\u0169ng nh\u01b0 v\u1eadn d\u1ee5ng m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t v\u00e0 mang l\u1ea1i ph\u1ea7n th\u01b0\u1edfng l\u1edbn cho ng\u00e0y h\u00f4m nay.<\/span><\/p>\n Nh\u00ecn chung vi\u1ec7c \u0111\u00e1nh \u0111\u1ec1 gi\u1ea3i 7 kh\u00f4ng ho\u00e0n to\u00e0n qu\u00e1 kh\u00f3 kh\u0103n, ch\u1ee7 y\u1ebfu ch\u00fang ta c\u1ea7n n\u1eafm v\u1eefng m\u1ed9t s\u1ed1 l\u01b0u \u00fd c\u01a1 b\u1ea3n v\u1ec1 \u0111\u00e1nh \u0111\u1ec1 ki\u1ec3u n\u00e0y.<\/span><\/p>\n V\u00ec th\u1ebf b\u00e0i vi\u1ebft v\u1ec1 c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 c\u1ea7u gi\u1ea3i 7 n\u00e0y hy v\u1ecdng s\u1ebd gi\u00fap nh\u1eefng anh em m\u1edbi bi\u1ebft \u0111\u1ebfn ki\u1ec3u l\u00f4 \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5. C\u0169ng nh\u01b0 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng th\u1eadt t\u1ed1t v\u00e0o vi\u1ec7c ch\u01a1i l\u00f4 c\u1ee7a m\u00ecnh n\u1ebfu \u0111ang g\u1eb7p kh\u00f3 kh\u0103n v\u1ec1 c\u00e1c ki\u1ec3u l\u00f4 kh\u00e1c.<\/span><\/p>\n Hi\u1ec7n nay c\u00f3 2 c\u00e1ch \u0111\u1ec3 \u0111\u00e1nh \u0111\u1ec1 d\u1ef1a theo gi\u1ea3i 7 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u00e1p d\u1ee5ng v\u00e0 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 r\u1ea5t cao, s\u1eb5n ti\u1ec7n chia s\u1ebb cho anh em. N\u1ebfu c\u1ea3m th\u1ea5y b\u00e0i vi\u1ebft hay nh\u1edb \u0111\u1eebng qu\u00ean chia s\u1ebb cho m\u1ecdi ng\u01b0\u1eddi xung quanh c\u00f9ng bi\u1ebft nh\u00e9.<\/span><\/p>\n C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 c\u1ea7u gi\u1ea3i 7 n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n, c\u00e1c b\u1ea1n ch\u1ec9 c\u1ea7n d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u1ee7a mi\u1ec1n B\u1eafc. V\u00ed d\u1ee5 h\u00f4m nay \u0111\u1ec1 v\u1ec1 c\u00e1c s\u1ed1 10, 20, 32, 45. Vi\u1ec7c ti\u1ebfp theo c\u1ea7n l\u00e0m \u0111\u00f3 l\u00e0 l\u1ea5y con s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a \u0111\u1ec1 \u0111\u1ea7u gh\u00e9p v\u1edbi con s\u1ed1 cu\u1ed1i cu\u1ed1i \u0111\u1ec1 th\u1ee9 hai.<\/span><\/p>\n Ch\u1eb3ng h\u1ea1n nh\u01b0 gh\u00e9p gi\u1eefa s\u1ed1 1 (10) v\u1edbi s\u1ed1 0 (20) th\u00e0nh 10 \u0111\u00f3 l\u00e0 k\u1ebft qu\u1ea3 m\u00e0 b\u1ea1n s\u1ebd \u0111\u00e1nh cho l\u1ea7n t\u1edbi. \u0110\u00e1nh \u0111\u1ec1 gi\u1ea3i 7 ki\u1ec3u n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n, ch\u1ec9 c\u1ea7n nh\u00ecn v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 l\u00e0 \u0111\u00e3 c\u00f3 ngay soi c\u1ea7u trong ng\u00e0y h\u00f4m nay r\u1ed3i. <\/span><\/p>\n V\u00e0 c\u00e1ch n\u00e0y m\u00ecnh \u0111\u00e3 \u00e1p d\u1ee5ng r\u1ea5t nhi\u1ec1u v\u00e0o vi\u1ec7c soi c\u1ea7u xo so, c\u0169ng \u0111\u1ea1t r\u1ea5t nhi\u1ec1u th\u00e0nh c\u00f4ng.<\/span><\/p>\n <\/p>\n \u0110\u00e1nh \u0111\u1ec1 c\u1ea7u gi\u1ea3i 7 theo c\u00e1ch n\u00e0y c\u1ea7n ch\u00fa \u00fd v\u00e0o \u0111\u1ea7u 0, kh\u00f4ng ch\u00fa \u00fd v\u00e0o c\u00e1c \u0111\u1ea7u s\u1ed1 kh\u00e1c. H\u00e3y ch\u00fa \u00fd th\u1eadt k\u1ef9 c\u00e1ch \u0111\u00e1nh n\u00e0y n\u1ebfu kh\u00f4ng mu\u1ed1n g\u1eb7p nh\u1ea7m l\u1eabn v\u00e0 g\u1eb7p sai s\u00f3t trong vi\u1ec7c t\u00ednh to\u00e1n. <\/span><\/p>\n \u0110\u1ea7u ti\u00ean ch\u00fang ta s\u1ebd quy \u0111\u1ecbnh c\u00e1c k\u1ebft qu\u1ea3 \u0111\u1ec1 gi\u1ea3i 7 theo c\u00e1c k\u00fd t\u1ef1 AB, CD, EF v\u00e0 GH t\u01b0\u01a1ng \u1ee9ng v\u1edbi 4 c\u1eb7p s\u1ed1 c\u1ee7a gi\u1ea3i 7.<\/span><\/p>\n N\u1ebfu B < F th\u00ec n\u00ean \u0111\u00e1nh: 0 (A + 1) ho\u1eb7c 0 (A + 2).<\/span><\/p>\n N\u1ebfu B > F th\u00ec n\u00ean \u0111\u00e1nh: 0 (B+1) ho\u1eb7c 0 (B+2).<\/span><\/p>\n V\u00ed d\u1ee5 c\u1ee5 th\u1ec3 h\u01a1n, n\u1ebfu k\u1ebft qu\u1ea3 4 c\u1eb7p s\u1ed1 \u0111\u1ec1 gi\u1ea3i 7 t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c con nh\u01b0 03, 24, 34, 35 th\u00ec s\u1ebd t\u00ednh nh\u01b0 sau.<\/span><\/p>\n Do \u0111\u1ea7u s\u1ed1 \u0111\u1ec1 \u0111\u1ea7u ti\u00ean l\u00e0 03 (t\u01b0\u01a1ng \u1ee9ng B = 3) v\u00e0 c\u1eb7p \u0111\u1ec1 th\u1ee9 3 l\u00e0 34 ( t\u01b0\u01a1ng \u1ee9ng F = 4) v\u00e0 3 <4 n\u00ean ch\u00fang ta s\u1ebd \u0111\u00e1nh 04 v\u00e0 05 l\u00e0 ch\u00ednh x\u00e1c.<\/span><\/p>\n Ph\u00eda tr\u00ean l\u00e0 h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 c\u1ea7u gi\u1ea3i 7 \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i \u0111\u01b0a ra, anh em c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng 2 ki\u1ec3u \u0111\u00e1nh n\u00e0y \u0111\u1ec3 \u00e1p d\u1ee5ng ngay trong ng\u00e0y h\u00f4m nay. V\u00e0 n\u1ebfu mu\u1ed1n an to\u00e0n h\u01a1n h\u00e3y th\u1eed m\u1ed9t v\u00e0i l\u1ea7n, n\u1ebfu th\u1ea5y hi\u1ec7u qu\u1ea3 th\u00ec ti\u1ebfp t\u1ee5c nh\u00e9. V\u00e0 \u0111\u1eebng qu\u00ean truy c\u1eadp ngay chuy\u00ean m\u1ee5c soi c\u1ea7u xo so \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00e1c d\u1ef1 \u0111o\u00e1n t\u1ed1t nh\u1ea5t trong ng\u00e0y.<\/span><\/p>\nC\u00e1ch \u0111\u00e1nh \u0111\u1ec1 c\u1ea7u gi\u1ea3i 7 nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/h2>\n
D\u1ef1a theo hai l\u00f4 \u0111\u1ea7u ti\u00ean trong gi\u1ea3i 7<\/span><\/h3>\n
D\u1ef1a v\u00e0o l\u00f4 th\u1ee9 nh\u1ea5t v\u00e0 th\u1ee9 3 gi\u1ea3i 7<\/span><\/h3>\n