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

Toán Lớp 6: 3/14 – 5/-8 + -1/2==–

Toán Lớp 6: 3/14 – 5/-8 + -1/2=………………..

Comments ( 2 )

  1. Lời giải và giải thích chi tiết:
    3/14 – 5/(-8) + (-1)/2
    = 3/14 + 5/8 – 1/2
    = 3/14 + (5/8 – 4/8)
    = 3/14 + 1/8
    = 12/56 + 7/56
    = 19/56

  2. 3/14 – 5/{-8} + {-1}/2
    = 3/14 + 5/8 – 1/2
    = 12/56 + 35/56 – 28/56
    = {12 + 35 – 28}/56
    = 19/56
    #dtkc

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