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

Toán Lớp 7: b) -2 ‘3/5 + 1 ‘2/3 +-4/3 +0,7

Toán Lớp 7: b) -2 ‘3/5 + 1 ‘2/3 +-4/3 +0,7

Comments ( 2 )

  1. Mik gửi bạn đáp án..^^
    Chữ mik khum được đẹp :<< 
    #NNSHV

    toan-lop-7-b-2-3-5-1-2-3-4-3-0-7

  2. -2 3/5 + 1 2/3 + -4/3 + 0,7
    =-13/5 + 5/3 – 4/3 + 0,7
    =-13/5 + 1/3 + 0,7
    =-39/15 + 5/15 + 0,7
    =-34/15 + 0,7
    =-2,27 + 0,7
    =-1.57

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

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