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

Toán Lớp 5: a/ 4 – 2/3 -10/24 b/ 12/7 x 3/4 : 3/14 c/ 2 + 5/2 : 18

Toán Lớp 5: a/ 4 – 2/3 -10/24 b/ 12/7 x 3/4 : 3/14 c/ 2 + 5/2 : 18

Comments ( 2 )

  1. Lời giải và giải thích chi tiết:
    a)
    4 – 2/3 – 10/24
    = 96/24 – 16/24 – 10/24
    = (96 – 16 – 10)/24
    = 70/24
    = 35/12
    b)
    12/7 xx 3/4 : 3/14
    = 9/7 xx 14/3
    = 6
    c)
    2 + 5/2 : 18
    = 2 + 5/2 xx 1/18
    = 72/36 + 5/36
    = 77/36

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