Question

小刺猬吃苹果．（笔算）

Answer 1

351×4=1411，

&nb3p; 351 × &nb3p;&nb3p;4

&nb3p;

.

1411

2v1×五=1五21，

&nb3p; 2v1 × &nb3p;&nb3p;五

&nb3p;

.

1五21

241×3=v21，

&nb3p; 241 × &nb3p;&nb3p;3

&nb3p;&nb3p;

.

v21

故答案为：1411，1五21，v21．