36×45+72×45-45×8的,这用简便算法?

2025-04-16 13:35:46
推荐回答(2个)
回答1:

36*45+72*45-45*8=45*(36+72-8)=45*100=4500

回答2:

36×45+72×45-45×8
=45×(36+72-8)
=45×100
=4500