191x21竖式计算

191x21竖式计算
2025-03-10 23:35:19
推荐回答(3个)
回答1:

191 × 21  = 4011

竖式见图:

回答2:

191x21
=191x(20+1)
=191x20+191
=3820+191
=4011

回答3:

191
* 21
_______
191
382
_______
4011