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

Toán Lớp 4: Bài 11. Tính . a. abc abc : abc b. aaa aaa : ( a x 37 ) – 4 866 : ( 2 x 3 )

Toán Lớp 4: Bài 11. Tính .
a. abc abc : abc b. aaa aaa : ( a x 37 ) – 4 866 : ( 2 x 3 )

Comments ( 2 )

  1. Bài 11.
    a)abcabc:abc
    =101
    a)aaaaaa:(ax37)-4866:(2xx3)
    = (axx111111):(axx37) -4866:6
    = axx111111 : a : 37 -4866:6
    =(a:a)xx(111111:37)-4866:6
    = 111111:37 – 811
    = 3003-811
    = 2192
     

  2. Bài 11 : 
    a . abc abc : abc = 101 
    Giả sử aaa aaa = 666 666 thì 
    666 666 : ( 6 × 37 ) – 4866 : ( 2 × 3 )  
    = 666 666 : 222 – 4866  : 6  
    = 3003 – 811
    = 2192

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