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

Toán Lớp 5: X-3/5=1và2/3. X:3/5=5/6nhân2/3

Toán Lớp 5: X-3/5=1và2/3. X:3/5=5/6nhân2/3

Comments ( 2 )

  1. x – 3/5 = 1 2/3
    x – 3/5 = 5/3
    x = 5/3 + 3/5
    x = 25/15 + 9/15
    x = 34/15
    x : 3/5 = 5/6 × 2/3
    x : 3/5 = 10/18
    x : 3/5 = 5/9
    x = 5/9 × 3/5
    x = 3/9
    x = 1/3

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

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