abc = 6abc : 17
=> abc = (6000 + abc) : 17
=> 6000 + abc = abc x 17
=> 6000 = abc x 16
=> abc = 6000 : 16
=> abc = 375.
ta có:abc=6abc:17
hay abcx17=6abc
abcx17=6000+abc
abcx(17-1)=6000
abcx16=6000
abc=6000:16=375
abc=6abc:17
abc x 17=6000+abc
abc x 17-abc =6000
abc x(17-1)=6000
abc x 16=6000
abc=6000:16
abc=375
6abc=abc*17
6000+abc=abc*17
6000=abc*16
abc=6000:16
abc=375
abc = 6abc : 17
abc = (6000+abc) : 17
6000 + abc = abc x 17
6000 = abc x 16
abc = 6000 : 16
abc = 375