49=36 273=9 240=42 11=1
乘数 |
6 |
|
5 |
|
5 |
乘数 |
2 |
4 |
|
3 |
|
积 |
|
24 |
30 |
15 |
25 |
列式:
×
=
÷
=
÷
=
÷
=