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

Toán Lớp 6: x/30=8/x+1 tìm x? giúppppppppp

Toán Lớp 6: x/30=8/x+1 tìm x? giúppppppppp

Comments ( 2 )

  1. Lời giải chi tiết:
    x/30=8/(x+1)
    =>x.(x+1)=30.8
    =>x.(x+1)=240
    =>x.(x+1)=15.16
    =>x=15
    Vậy x=15

  2. x/30=8/(x+1
    x.(x+1)=30.8
    x.(x+1)=240
    x.(x+1)=15.16
    x=15
    @thew
     

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