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

Toán Lớp 4: xếp theo thứ tự từ bé đến lớn 7/8,5/4,9,72,5/6 3/4,2/5,4/7,1/2

Toán Lớp 4: xếp theo thứ tự từ bé đến lớn
7/8,5/4,9,72,5/6
3/4,2/5,4/7,1/2

Comments ( 2 )

  1. 7/8 ; 5/4 ; 9/72 ; 5/6.
    => 9/72 ; 5/6 ; 7/8 ; 5/4.
    3/4 ; 2/5 ; 4/7 ; 1/2.
    => 2/5 ; 1/2 ; 4/7 ; 3/4.
    Chúc bn học tốt!!
     

  2. $@Iris$
    7/8 , 5/4 , 9/72 , 5/6
    => 63/72 , 90/72 , 9/72 , 60/72
    *9/72 , 60/72 , 63/72 , 90/72 
    -> 9/72 , 5/6 , 7/8 , 90 / 72
    ——
    3/4 , 2/5 , 4/7 , 1/2
    => 12/16 , 12/30 , 12/21 , 12/24
    *12/30 , 12/24 , 12/21 , 12/16
    -> 2/5 , 1/2 , 4/7 , 3/4

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