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

Toán Lớp 7: 2/3-4×(1/2+3/4) Yêu cầublaf tính nhanh

Toán Lớp 7: 2/3-4×(1/2+3/4)
Yêu cầublaf tính nhanh

Comments ( 2 )

  1. Trả lời:
    2/3-4xx(1/2+3/4)
    =2/3-4xx5/4
    =2/3-5
    =2/3-15/3
    =-13/3

  2. Giải đáp:
    2/3-4.(1/2+3/4)
    =2/3-4.(2/4+3/4)
    =2/3-4. 5/4
    =2/3-5
    ={-13}/3
     

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

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