x=12345678-x
=> x+x=12345678
=> 2x=12345678
=> x=12345678:2
=> x=6172839
Đúng 0
Bình luận (0)
x=12345678-x
=> x+x=12345678
=> 2x=12345678
=> x=12345678:2
=> x=6172839