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

Toán Lớp 6: Tìm số nguyên bt -3 chia hết cho x + 1 . Ai nhanh mình tik

Toán Lớp 6: Tìm số nguyên bt -3 chia hết cho x + 1 . Ai nhanh mình tik

Comments ( 1 )

  1. Để -3 \vdots x+1
    -> x+1 in Ư_((-3)) = { -1, -3, 1, 3 }
    => x in { -2, -4, 0, 2 }
    Vậy x in { -2, -4, 0, 2 } thì -3 \vdots x+1

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