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

Toán Lớp 5: x : 0,25 – x = 15,6 Giúp mình với mn

Toán Lớp 5: x : 0,25 – x = 15,6
Giúp mình với mn

Comments ( 2 )

  1. x : 0,25 – x= 15,6
    x × 4 – x ×1 =15,6
    x × (4-1) = 15,6
    x × 3 =15,6
    x =5,2

  2.  x : 0,25 – x = 15,6$\\$<=>4x-x=15,6$\\$<=>3x=15,6$\\$<=>x=5,2

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

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