Question

Tim ABC biet 1 ABC = ABC X9 ( 165 )

Answer 1

Ta có:1abc=abc x 9

         1000+abc=abc x 9

         1000=abc x 9-abc

          1000=abc x(9-1)

         1000=abc x 8

         abc=1000:8

        abc=125

Vậy abc=125

Answer 2

May tra loi sai bet dung la thang ngu nguoi.