用简便方法计算756-128-372怎么算?

2025-04-01 18:38:18
推荐回答(2个)
回答1:

756-(128+372)=
756-500=
256.

回答2:

756-128-372
=700+56-100-28-300-72
=700-100-300-(28+72)+56
=300-100+56
=200+56
=256