{"id":17537,"date":"2024-03-10T20:44:54","date_gmt":"2024-03-10T20:44:54","guid":{"rendered":"https:\/\/soicau5018.minhngocxoso.com\/soi-cau-xsmb-voi-cau-day-so-lien-tiep\/"},"modified":"2024-03-10T20:44:54","modified_gmt":"2024-03-10T20:44:54","slug":"soi-cau-xsmb-voi-cau-day-so-lien-tiep","status":"publish","type":"post","link":"https:\/\/soicaumienbac8.com\/soi-cau-xsmb-voi-cau-day-so-lien-tiep\/","title":{"rendered":"soi c\u1ea7u xsmb v\u1edbi c\u1ea7u d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp"},"content":{"rendered":"

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Soi c\u1ea7u XSMB v\u1edbi c\u1ea7u d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u XSMB kh\u00e1 hi\u1ec7u qu\u1ea3 v\u00ec c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c kh\u00e1 cao. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 c\u00e1ch \u0111\u00e1nh m\u1ed9t c\u1eb7p l\u00f4 max 3 ng\u00e0y \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u c\u00e1c chuy\u00ean gia \u0111\u00e1nh gi\u00e1 cao v\u00ec c\u00f3 \u0111\u1ed9 an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ef1c cao. Ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u XSMB v\u1edbi c\u1ea7u d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp n\u00e0y d\u1ef1a tr\u00ean c\u1ea7u, c\u00e1c quy t\u1eafc s\u1ed1 h\u1ecdc v\u00e0 x\u00e1c su\u1ea5t. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u c\u00f3 t\u00ednh ch\u1ea5t ph\u1ee9c t\u1ea1p h\u01a1n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c r\u1ea5t nhi\u1ec1u. Anh em d\u00e0nh m\u1ed9t ch\u00fat th\u1eddi gian \u0111\u1ec3 \u0111\u1ecdc v\u00e0 nghi\u00ean c\u1ee9u nh\u00e9.<\/p>\n

I. H\u01b0\u1edbng d\u1eabn soi c\u1ea7u XSMB v\u1edbi c\u1ea7u d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp<\/h2>\n

B\u01b0\u1edbc 1: T\u00ecm c\u00e1c d\u00e3y li\u00ean ti\u1ebfp<\/b><\/h3>\n

\u0110\u1ec3 t\u00ecm c\u00e1c d\u00e3y li\u00ean ti\u1ebfp b\u1eb1ng th\u1ed1ng k\u00ea c\u00e1c b\u1ea1n truy c\u1eadp website th\u1ed1ng k\u00ea kqxs<\/p>\n

Ti\u1ebfp theo ch\u00fang ta x\u00e9t b\u1ea3ng \u0111\u1ea7u l\u00f4 h\u00f4m nay, v\u00e0 t\u00ecm xem c\u00e1c d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp c\u00f3 2 s\u1ed1 tr\u1edf l\u00ean trong c\u00e1c \u0111\u1ea7u l\u00f4 \u0111\u00f3.<\/p>\n

V\u00ed d\u1ee5: <\/b>B\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m nay nh\u01b0 sau:<\/p>\n

\"\"
T\u00ecm d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp<\/figcaption><\/figure>\n

C\u00e1c d\u00e3y s\u1ed1 t\u00ecm th\u1ea5y:<\/b><\/h4>\n
    \n
  1. 00 \u2013 01 \u2013 M\u00e0u \u0111\u1ecf<\/span><\/li>\n
  2. 36 \u2013 37 \u2013 M\u00e0u xanh<\/span><\/li>\n
  3. 45 \u2013 46 \u2013 M\u00e0u \u0111\u1ecf<\/span><\/li>\n
  4. 73 \u2013 74 \u2013 M\u00e0u xanh<\/span><\/li>\n
  5. 92 \u2013 93 \u2013 M\u00e0u xanh<\/span><\/li>\n<\/ol>\n

    V\u1edbi nh\u1eefng d\u00e3y s\u1ed1 khoanh tr\u00f2n m\u00e0u \u0111\u1ecf l\u00e0 nh\u1eefng d\u00e3y s\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ecdn v\u00ec nh\u1eefng d\u00e3y s\u1ed1 n\u00e0y vi ph\u1ea1m nh\u1eefng quy t\u1eafc sau:<\/strong><\/b><\/h4>\n

    Quy t\u1eafc 1:<\/b> Kh\u00f4ng ch\u1ecdn c\u00e1c d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp \u0111\u1ea7u 0.<\/p>\n

    V\u00ed d\u1ee5:<\/b> 00 \u2013 01 \u1edf tr\u00ean l\u00e0 \u0111\u1ea7u 0 n\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ecdn.<\/p>\n

    Quy t\u1eafc 2:<\/b> Kh\u00f4ng ch\u1ecdn c\u00e1c d\u00e3y s\u1ed1 trong c\u00e1c \u0111\u1ea7u l\u00f4 m\u00e0 c\u00f3 5 l\u00f4 tr\u1edf l\u00ean.<\/p>\n

    V\u00ed d\u1ee5:<\/b> D\u00e3y 45 \u2013 46 \u1edf tr\u00ean, h\u00f4m 24\/1 ra \u0111\u1ebfn 5 l\u00f4 n\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ecdn.<\/p>\n

    Quy t\u1eafc 3:<\/b> Kh\u00f4ng ch\u1ecdn c\u00e1c d\u00e3y s\u1ed1 trong c\u00e1c \u0111\u1ea7u l\u00f4 m\u00e0 c\u00f3 \u0111\u1ec1 (gi\u1ea3i \u0111\u1eb7c bi\u1ec7t).<\/p>\n

    \"\"
    D\u00e3y c\u00f9ng \u0111\u1ea7u v\u1edbi \u0111\u1ec1<\/figcaption><\/figure>\n

    V\u00ed d\u1ee5:<\/strong> Theo nh\u01b0 h\u00ecnh tr\u00ean ta c\u00f3 \u0111\u1ec1 v\u1ec1 13 n\u00ean d\u00e3y 18,19 c\u00f9ng \u0111\u1ea7u v\u1edbi \u0111\u1ec1 13 s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ecdn.<\/p>\n

    Quy t\u1eafc 4:<\/b> Kh\u00f4ng ch\u1ecdn c\u00e1c d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp b\u1eaft \u0111\u1ea7u t\u1eeb s\u1ed1 h\u00e0ng ch\u1ee5c.<\/p>\n

    \"\"
    D\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng s\u1ed1 h\u00e0ng ch\u1ee5c<\/figcaption><\/figure>\n

    V\u00ed d\u1ee5:<\/b> \u1ede b\u1ea3ng k\u1ebft qu\u1ea3 tr\u00ean c\u00f3 d\u00e3y s\u1ed1 li\u00ean ti\u1ebfp l\u00e0 70,71. V\u00ec d\u00e3y n\u00e0y b\u1eaft \u0111\u1ea7u t\u1eeb 70 (s\u1ed1 h\u00e0ng ch\u1ee5c) n\u00ean b\u1ecf kh\u00f4ng ch\u1ecdn.<\/p>\n

    B\u01b0\u1edbc 2: T\u00ecm c\u00e1c l\u00f4 AB<\/b><\/h3>\n

    L\u00f4 AB ch\u00ednh l\u00e0 l\u00f4 m\u00e0 ch\u00fang ta c\u1ea7n t\u00ecm \u0111\u1ec3 \u0111\u00e1nh. \u0110\u1ec1 t\u00ecm l\u00f4 AB ch\u00fang ta l\u1ea5y s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a d\u00e3y s\u1ed1 t\u00ecm \u0111\u01b0\u1ee3c tr\u1eeb \u0111i 1 \u0111\u01a1n v\u1ecb (c\u00f2n g\u1ecdi l\u00e0 s\u1ed1 tr\u01b0\u1edbc d\u00e3y s\u1ed1 \u0111\u00f3 1 \u0111\u01a1n v\u1ecb)<\/p>\n

    \"\"
    T\u00ecm ra l\u00f4 AB c\u1ea7n \u0111\u00e1nh<\/figcaption><\/figure>\n

    V\u00ed d\u1ee5:<\/b> Nh\u01b0 c\u00e1c d\u00e3y s\u1ed1 t\u00ecm \u0111\u01b0\u1ee3c \u1edf b\u1ea3ng k\u1ebft qu\u1ea3 tr\u00ean tr\u00ean ta t\u00ecm \u0111\u01b0\u1ee3c c\u00e1c AB sau:<\/p>\n

      \n
    1. D\u00e3y 92 \u2013 93 \u2013 AB l\u00e0 91<\/li>\n
    2. D\u00e3y 73 \u2013 74 \u2013 AB l\u00e0 72<\/li>\n
    3. D\u00e3y 36 \u2013 37 \u2013 AB l\u00e0 35<\/li>\n<\/ol>\n

      (2 d\u00e3y m\u00e0u \u0111\u1ecf<\/span> \u0111\u00e3 b\u1ecb lo\u1ea1i v\u00ec vi ph\u1ea1m quy t\u1eafc)<\/p>\n

      B\u01b0\u1edbc 3: Ch\u1ecdn AB<\/b><\/h3>\n

      \u1ede b\u01b0\u1edbc 2 ch\u00fang ta \u0111\u00e3 t\u00ecm \u0111\u01b0\u1ee3c nhi\u1ec1u AB, tuy nhi\u00ean theo c\u00e1ch soi c\u1ea7u XSMB v\u1edbi c\u1ea7u d\u00e3y s\u1ed1 li\u00ean t\u1ebfp n\u00e0y th\u00ec ta ch\u1ec9 ch\u1ecdn duy nh\u1ea5t 1 AB \u0111\u1ec3 \u0111\u00e1nh 2 l\u00f4 AB v\u00e0 BA v\u00e0o ng\u00e0y h\u00f4m sau. \u0110\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c AB duy nh\u1ea5t c\u00e1c b\u1ea1n l\u00e0m theo 2 b\u01b0\u1edbc sau \u0111\u1ec3 ch\u1ecdn ra AB \u0111\u1eb9p nh\u1ea5t.<\/p>\n

      1. C\u00e1c y\u00eau c\u1ea7u c\u1ee7a AB<\/h4>\n

      Y\u00eau c\u1ea7u 1:<\/b>  S\u1ed1 l\u00f4 c\u1ee7a \u0111\u1ea7u A c\u1ed9ng v\u1edbi s\u1ed1 l\u00f4 c\u1ee7a \u0111\u1ea7u B ph\u1ea3i \u00edt h\u01a1n 8 l\u00f4.<\/p>\n

      \"\"
      V\u00ed d\u1ee5 y\u00eau c\u1ea7u 1<\/figcaption><\/figure>\n

      V\u00ed d\u1ee5:<\/b> Theo nh\u01b0 b\u1ea3ng k\u1ebft qu\u1ea3 tr\u00ean t\u1eeb d\u00e3y s\u1ed1 51 \u2013 52 ta t\u00ecm \u0111\u01b0\u1ee3c AB = 50. Ch\u00fang ta th\u1ea5y \u0111\u1ea7u 5 c\u00f3 4 l\u00f4 l\u00e0 51-52-55-56. \u0110\u1ea7u 0 c\u00f3 4 l\u00f4 00-00-03-05. Th\u00ec t\u1ed5ng l\u1ea1i l\u00e0 c\u00f3 8 l\u00f4. M\u00e0 y\u00eau c\u1ea7u ph\u1ea3i \u00edt h\u01a1n 8 l\u00f4 => AB = 50 Lo\u1ea1i.<\/p>\n

      Y\u00eau c\u1ea7u 2: <\/b>Khi l\u1ed9n l\u00f4 AB ta th\u1ea5y l\u00f4 BA ng\u00e0y h\u00f4m \u0111\u00f3 v\u1ec1 2 nh\u00e1y tr\u1edf l\u00ean => Lo\u1ea1i.<\/p>\n

      \"\"
      V\u00ed d\u1ee5 y\u00eau c\u1ea7u 2<\/figcaption><\/figure>\n

      V\u00ed d\u1ee5: <\/b>V\u1edbi k\u1ebft qu\u1ea3 \u1edf b\u1ea3ng tr\u00ean ta c\u00f3 d\u00e3y 93 \u2013 94 th\u00ec ta t\u00ecm \u0111\u01b0\u1ee3c AB = 92. Nh\u01b0ng khi l\u1ed9n ta th\u1ea5y l\u00f4 29 ng\u00e0y h\u00f4m \u0111\u00f3 v\u1ec1 2 nh\u00e1y. V\u1eady AB = 92 Lo\u1ea1i.<\/p>\n

      Y\u00eau c\u1ea7u 3:<\/b> T\u00ecm \u0111\u01b0\u1ee3c AB m\u00e0 B l\u1ea1i l\u00e0 \u0111\u1ea7u s\u1ed1 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t (\u0110\u1ec1). => Lo\u1ea1i.<\/p>\n

      \"\"
      V\u00ed d\u1ee5 y\u00eau c\u1ea7u 3<\/figcaption><\/figure>\n

      V\u00ed d\u1ee5:<\/b> V\u1edbi b\u1ea3ng k\u1ebft qu\u1ea3 tr\u00ean ch\u00fang ta c\u00f3 d\u00e3y 46 \u2013 47 th\u00ec AB = 45. Ta th\u1ea5y \u0111\u1ec1 h\u00f4m \u0111\u00f3 v\u1ec1 56. M\u00e3 AB = 45 c\u00f3 5 tr\u00f9ng v\u1edbi \u0111\u1ea7u c\u1ee7a \u0111\u1ec1 56 => AB = 45 Lo\u1ea1i.<\/p>\n

      2. L\u1ef1a ch\u1ecdn AB<\/h4>\n

      Sau khi x\u00e9t qua c\u00e1c y\u00eau c\u1ea7u c\u1ee7a AB tr\u00ean m\u00e0 v\u1eabn \u0111ang c\u00f2n nhi\u1ec1u h\u01a1n 1 AB th\u00ec ch\u00fang ta v\u1eadn d\u1ee5ng c\u00e1c Lu\u1eadt \u01b0u ti\u00ean du\u1edbi \u0111\u00e2y \u0111\u1ec3 ch\u1ecdn ra AB c\u1ea7n \u0111\u00e1nh.<\/p>\n

      Lu\u1eadt \u01b0u ti\u00ean 1:<\/b> \u01afu ti\u00ean nh\u1eefng con AB m\u00e0 c\u00f3 con l\u00f4 b\u00e9 h\u01a1n g\u1ea7n nh\u1ea5t v\u1edbi n\u00f3 c\u00f3 c\u00f9ng \u0111\u1ea7u A. Ngh\u0129a l\u00e0 c\u00f3 l\u00f4 ch\u1eb7n \u0111\u1ea7u.<\/p>\n

      \"\"
      \u01afu ti\u00ean l\u00f4 c\u00f3 ch\u1eb7n \u0111\u1ea7u<\/figcaption><\/figure>\n

      V\u00ed d\u1ee5:<\/b> Ta th\u1ea5y AB = 91 v\u00e0 AB = 72 kh\u00f4ng c\u00f3 con l\u00f4 n\u00e0o c\u00f9ng \u0111\u1ea7u m\u00e0 b\u00e9 h\u01a1n xu\u1ea5t hi\u1ec7n.<\/p>\n

      N\u00ean ta s\u1ebd \u01b0u ti\u1ec1n AB = 35 c\u00f3 l\u00f4 31 l\u00e0 l\u00f4 c\u00f9ng \u0111\u1ea7u b\u00e9 h\u01a1n \u0111\u1ee9ng tr\u01b0\u1edbc n\u00f3.<\/p>\n

      Lu\u1eadt \u01b0u ti\u00ean 2:<\/b> \u01afu ti\u00ean nh\u1eefng con AB m\u00e0 hi\u1ec7u gi\u1eefa AB v\u00e0 con l\u00f4 b\u00e9 h\u01a1n g\u1ea7n nh\u1ea5t trong kho\u1ea3ng 3,4,5 \u0111\u01a1n v\u1ecb (3,4,5 coi nh\u01b0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau trong \u01b0u ti\u00ean) h\u01a1n t\u1ea5t c\u1ea3 c\u00e1c hi\u1ec7u kh\u00e1c.<\/p>\n

      \u0110\u1eb7c bi\u1ec7t:<\/b> Lu\u1eadt n\u00e0y v\u1eabn \u0111\u00fang khi AB l\u00e0 k\u00e9p.<\/p>\n

      \"\"
      V\u00ed d\u1ee5 lu\u1eadt \u01b0u ti\u00ean 2<\/figcaption><\/figure>\n

      V\u00ed d\u1ee5:<\/b> Gi\u1ea3 s\u1eed nh\u01b0 k\u1ebft qu\u1ea3 tr\u00ean, ta t\u00ecm \u0111\u01b0\u1ee3c c\u00e1c d\u00e3y 28,29 v\u00e0 d\u00e3y 87,88 l\u00e0 c\u00f3 1 con nh\u1ecf c\u00f9ng \u0111\u1ea7u \u0111\u1ee9ng tr\u01b0\u1edbc.<\/p>\n