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

Toán Lớp 5: 5/12:5/6+4/3:2= 4/5+11/5= 2/3+5/2=

Toán Lớp 5: 5/12:5/6+4/3:2=
4/5+11/5=
2/3+5/2=

Comments ( 2 )

  1. Giải đáp:
     
    Lời giải và giải thích chi tiết:
     5/12 : 5/6 + 4/3 : 2
    =5/12 . 6/5 + 4/3 . 1/2
    =30/60 + 4/6
    =1/2 + 2/3
    =3/6 + 4/6
    =7/6
    4/5 + 11/5
    =15/15
    =1
    2/3 + 5/2
    =4/6 + 15/6
    =19/6

  2. $\text{@ Jasmine}$
    5/12 : 5/6 + 4/3 : 2
    = 5/12 xx 6/5 + 4/3 xx 1/2
    = 6/12 + 2/3
    = 6/12 + 8/12
    = 14/12 = 7/6
    ————
    4/15 + 11/5 = (4+11)/15 = 15/15 = 1
    ————
    2/3 + 5/2 
    = 4/6 + 15/6
    = (4+15)/6 = 19/6

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

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