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

Toán Lớp 4: x – 3/4 x2=7/8 Ai nhanh nhất mk vote 5*+ctlhn

Toán Lớp 4: x – 3/4 x2=7/8
Ai nhanh nhất mk vote 5*+ctlhn

Comments ( 1 )

  1. x – 3/4 x 2 = 7/8
    x                 = 3/4 x 2
    x                 = 6/4
    x – 6/4        = 7/8
    x                 = 7/8 + 6/4
    x                 = 7/8 + 12/8
    x                 = 19/8   
     

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