64×22+88×9=64×22+22×4×9=64×22+22×36=22×(64+36)=22×100=2200
64×22+88×9 =64×22+22×4×9 =64×22+22×36 =22×(64+36) =22×100 =220013
64×22+88×9=(64+9)×(22×88)=73×110=800
64x22十22X4X964×22+22×3622×(64×36)22×1002200