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

Toán Lớp 5: tìm y biết: y x 8,01 – y : 100 =38

Toán Lớp 5: tìm y biết:
y x 8,01 – y : 100 =38

Comments ( 2 )

  1. yxx8,01-y:100=38
    yxx8,01-yxx0,01=38
    yxx(8,01-0,01)=38
    yxx8=38
    y=38:8
    y=4,75 
    to Vậy y=4,75
     

  2. y × 8,01 – y : 100 = 38
    y × 8,01 – y × 0,01 = 38
    y × (8,01 – 0,01) = 38
    y × 8 = 38
    y = 38 : 8
    y = 19/4
    Vậy y = 19/4

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