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

Toán Lớp 5: (1/6 + 1/10 + 1/15) : (1/6 + 1/10 – 1/15) / (1/2 – 1/3 + 1/4 – 1/5) : (1/4 – 1/6)

Toán Lớp 5: (1/6 + 1/10 + 1/15) : (1/6 + 1/10 – 1/15) / (1/2 – 1/3 + 1/4 – 1/5) : (1/4 – 1/6)

Comments ( 2 )

  1. $#miku$
    (1/6 + 1/10 + 1/15) : (1/6 + 1/10 – 1/15)
    =   (4/15 + 1/15)      :      (4/15 – 1/15)
    =          1/3               :              1/5
    =                        5/3
    (1/2 – 1/3 + 1/4 – 1/5) : (1/4 – 1/6)
    =       (1/6 + 1/20)       :     1/12
    =            13/60            :    1/12
    =                       13/5
     

  2. Giải đáp:
    Azzuri#
    (1/6 + 1/10 + 1/15) : (1/6 + 1/10 – 1/15)
    =(4/15 + 1/15)÷(4/15 – 1/15)
    =1/3÷1/5
    =5/3
    ______________________________________
    (1/2 – 1/3 + 1/4 – 1/5) : (1/4 – 1/6)
    =(1/6 + 1/20)÷1/12
    =13/60÷1/12
    =(13)/(5)
     
    Lời giải và giải thích chi tiết:
     

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