Question

Tìm số abc biết abc0 -abc = 2745

Answer 1

abc0-abc=2745

abc.10-abc=2745

abc.(10-1)=2745

abc.9=2745

abc=2745:9

abc=305

đúng nha k 

Answer 2

Ta có abc0 -abc=2745

hay abc x 10 -abc =2745

abc x 11 =2745

abc=249

Answer 3

biet abc them 0 vao ben phai abc thi duoc abc0 / 10 = abc nen abc * 10 = abc0  ;  abc0 - abc = 2745

 _ abc0 gap 10 lan abc ; thuong cua abc0 cua abc bang 2745 

  _phan sau tu lam 

Answer 4

    abc0 - abc =2745

=>10.abc - abc =2745

=>9.abc = 2745

=>abc = 305