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

Toán Lớp 5: 19/18+18/17+1/17×18+17/19 ai nhanh vote 5 sao luôn Thanks a lots

Toán Lớp 5: 19/18+18/17+1/17×18+17/19
ai nhanh vote 5 sao luôn
Thanks a lots

Comments ( 2 )

  1. Giải đáp: 17495/5814
     
    Lời giải và giải thích chi tiết:
    =19/18 + 18/17 + 1/17 * 18 + 17/19
    =19/18 + 18/17 + 18/17 + 17/19
    =19/18 + (18/17 + 18/17) + 17/19
    =19/18 + 36/17 + 17/19
    =647/306 + 17/19
    =17495/5814

  2. 19/18 + 18/17 + 1/17 × 18 + 17/19
    = 19/18 + 18/17 + 18/17 + 17/19
    = ( 18/17 + 18/17 ) + 19/18 + 17/19
    = 18/17 + 19/18 + 17/19
    = 647/306 + 17/19
    =17495/5814
    #dtkc
     

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

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