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

Toán Lớp 9: Tìm X để x-1 /3 nguyên (thuộc z)

Toán Lớp 9: Tìm X để x-1 /3 nguyên (thuộc z)

Comments ( 2 )

  1. $ Vì 3> 0 (=) x-1>=0 (=) x>= 1$
    =) x thuộc Z

  2. Mk gửi nek
    Nhớ vote 5*+ ctlhn nhé
     

    toan-lop-9-tim-de-1-3-nguyen-thuoc-z

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