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

Toán Lớp 7: A, -1/7+8/3+-6/7-1 23/24- -5/13

Toán Lớp 7: A, -1/7+8/3+-6/7-1 23/24- -5/13

Comments ( 2 )

  1. Giải đáp + Lời giải và giải thích chi tiết:
    -1/7+8/3+(-6/7)-1 23/24-(-5/13)
    =[-1/7+(-6/7)]+[8/3-(-5/13)]-1 23/24
    =-1+1-1 23/24
    =0-47/24
    =-47/24
     

  2. A . (-1)/7 + 8/3 + (-6)/7 – 1 23/24 – (-5)/13
    = ( (-1)/7  + (-6)/7) + ( 8/3 + 5/13) –  47/24
    = -1 + 1 – 47/24
    = 0 – 47/24
    = -47/24

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

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