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

Toán Lớp 6: tính nhanh: a,168.168-168.58/110 b,

Toán Lớp 6: tính nhanh:
a,168.168-168.58/110
b,

Comments ( 2 )

  1.  (168 . 168 – 168 . 58)/110
    =  (168  . (168 – 58))/110
    =  (168 . 110)/110
    =  168

  2. 168.168-168 . 58/110
    =168.(168 -58/110)
    =168. 9211/55
    =1547448/55

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