数A460064B是8位数;C46040是6位数;
数A46064B与数C46040D都是七位数,C比A大1,B比D大1,那个数大,大多少?
C46040D大;
C46040D
=1000000xC+460400+D
=1000000x(A+1)+460400+B-1
=1000000A+1000000+460400+B-1
=1000000A+1460399+B
A46064B
=1000000xA+460640+B
=1000000A+460640+B
C46040D-A46064B
=1000000A+1460399+B-1000000A-460640-B
=1460399-460640
=999759
大999759;