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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Tính nhanh : 9×3-3×7+9×6-4×3-2

Toán Lớp 6: Tính nhanh :
9×3-3×7+9×6-4×3-2

Comments ( 2 )

  1. Đáp án:
     
    Giải thích các bước giải:
     

    toan-lop-6-tinh-nhanh-9-3-3-7-9-6-4-3-2

  2. 9 × 3 – 3 × 7 + 9 × 6 – 4 × 3 – 2
    = 3 × 9 – 3 × 7 + 3 × 18 – 3 × 4 – 2
    = 3 × (9 – 7 + 18 – 4) – 2
    = 3 × 16 – 2
    = 48 – 2
    = 46
    Cho mình xin hay nhất nha bạn!!!!!
    @Drew Mclntyre

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222-9+11+12:2*14+14 = ? ( )

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