48×99脱式计算?

2025-04-05 11:31:52
推荐回答(2个)
回答1:

48×99
=48×(100-1)
=48×100-48
=4800-(50-2)
=4800-50+2
=4752

回答2:

=48*(100-1)
=48*100-48*1
=4800-48
=4752