21*32*8-9136
=(20+1)(30+2)*8-9136
=(600+40+30+2)*8-9136
=672*(10-2)-9136
=6720-1344-9136
=6720-10480
=-3760
21*32与8的积,所的得积再减去9136,差是多少
21*32*8-9136
=(20+1)(30+2)*8-9136
=(600+40+30+2)*8-9136
=672*(10-2)-9136
=6720-1344-9136
=6720-10480
=-3760