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

Toán Lớp 6: 128 x X – 12 x X – 16 x X = 5208000

Toán Lớp 6: 128 x X – 12 x X – 16 x X = 5208000

Comments ( 2 )

  1. 128 xx x – 12 xx x – 16 xx x = 5208000
    x xx(128-12-16)=5208000
    x xx100=5208000
    x=5208000-:100
    x=52080

  2. 128.x-12.x-16.x=5208000
    x.(128-12-16)=5208000
    x.100=5208000
    x=5208000 : 100
    x=52080
    Vậy x=52080
     

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

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