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

Toán Lớp 6: 7( × – 4)= 14.32 Bài tìm x , biết

Toán Lớp 6: 7( × – 4)= 14.32
Bài tìm x , biết

Comments ( 2 )

  1. 7( × – 4)= 14.32
    7( × – 4)=448
        x- 4   =448:7
        x- 4   =64
        x        =64+4
        x        =68

  2. 7( × – 4)= 14.32
    7( × – 4)= 448
         × – 4= 448 :7  
         × – 4= 64
         × – 4= 64
               ×= 64+4
               ×=68
    cho mình CTLHN nhé

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