Question

tìm số abc biết: abc6 - 2889 = 6abc

Answer 1

abc6-2889=6abc

abcx10+6-2889=6000+abcx1

abcx10+6-abcx1=6000+2889

abcx(10-1)+6=8889

abcx9+6=8889

abcx9=8889-6

abcx9=8883

abc=8883:9

abc=987

=>abc=987

1 dúng nhé

Answer 2

abc6-6abc=2889

10.abc+6-6000-abc=2889

9.abc-5994=2889

9.abc=8883

abc=987