Question

Tìm abc biết : abc2 + 432 = 2abc

Answer 1

abc2+432=2abc

abc*10+434=2000+abc

abc*10-abc=2000-434

abc*9=1566

abc=1566:9=174

chuẩn 100% nha

Answer 2

abc*10-abc=2000-434

abc*9=1566

abc=1566:9=174