101×101-201的简便方法怎么做

2025-06-27 09:10:37
推荐回答(2个)
回答1:

(201-100)*101-201=201*101-100*101-201=201*100-100*101=100*100=10000

回答2:

101×101-201
=101x101-101-100
=101(101-1)-100
=101x100-100
=100(101-1)
=100x100
=10000