64×22+88×9的简便方法?

2024-11-19 21:36:57
推荐回答(4个)
回答1:

64×22+88×9
=64×22+22×4×9
=64×22+22×36
=22×(64+36)
=22×100
=2200

回答2:

64×22+88×9 =64×22+22×4×9 =64×22+22×36 =22×(64+36) =22×100 =2200
13

回答3:

64×22+88×9=(64+9)×(22×88)=73×110=800

回答4:

64x22十22X4X9
64×22+22×36
22×(64×36)
22×100
2200