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

Toán Lớp 6: 5 trừ ( x trừ 7 ) = 0 Giúp mik

Toán Lớp 6: 5 trừ ( x trừ 7 ) = 0
Giúp mik

Comments ( 2 )

  1. 5-(x-7)=0
         x-7 =5-0
         x-7 = 5
            x  =5+7
            x  = 12
    $NoCopy$
     

  2.   5-(x-7)=0
    → x-7=5-0
    → x-7 =5
    →  x= 5+7
    →  x= 12
    Vậy x =12 nhé
    ~No copy~
     

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