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

Toán Lớp 7: x -4 .( -8) = 42 : ( -7 ) + ( -5) . ( -6)

Toán Lớp 7: x -4 .( -8) = 42 : ( -7 ) + ( -5) . ( -6)

Comments ( 2 )

  1. Lời giải chi tiết:
    x-4.(-8)=42:(-7)+(-5).(-6)
    =>x-(-32)=-6+30
    =>x+32=24
    =>x=24-32
    =>x=-8
    Vậy x=-8

  2. x-4.(-8)=42:(-7)+(-5).(-6)
    =>x-4.(-8)=(-6)+30
    =>x-(-32)=24
    =>x+32=24
    =>x=24-32
    =>x=-8
    Vậy x=-8

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

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