333ᠧ66如何巧算?

2025-12-17 18:58:09
推荐回答(3个)
回答1:

答:原式=333*(3*22)
=333*3*22
=999*22
=(1000-1)*22
=1000*22-22
=22000-22
=21978

回答2:

333×66
=3*111*3*11
=9*1221
=10989 即为所求

回答3:

333x66
=333x60+333x6
=19980+1998
=21978