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

Toán Lớp 7: ($\frac{1}{3}$ – $\frac{5}{6}$)$^{2}$ + $\frac{5}{6}$ : 2

Toán Lớp 7: ($\frac{1}{3}$ – $\frac{5}{6}$)$^{2}$ + $\frac{5}{6}$ : 2

Comments ( 2 )

  1. (1/3 – 5/6)^2 + 5/6 :2
    = (-3/6)^2 + 5/6 :2
    = (-1/2)^2 + 5/6 . 1/2
    = 1/4 + 5/12
    = 3/12 + 5/12
    = 8/12
    = 2/3
     

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

    toan-lop-7-frac-1-3-frac-5-6-2-frac-5-6-2

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

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