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

Toán Lớp 7: 2 phần 3 – 9 phàn 5 ÷ 9 phần 2 =

Toán Lớp 7: 2 phần 3 – 9 phàn 5 ÷ 9 phần 2 =

Comments ( 2 )

  1. Answer
    2/3 – 9/5 : 9/2
    = 2/3 – 9/5 xx 2/9
    = 2/3 – 2/5
    = 10/15 – 6/15
    = {10-6}/15
    = 4/15
     

  2. @Bao
    2/3-9/5:9/2
    =2/3-(9/5).(2/9)
    =2/3-18/45
    =4/15

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

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