题干
设a、b分别表示两个数，如果a*b=
，如4*3=
| 3 |
| a |
| + |
| 4 |
| b |
| 2 |
| 3 |
| × |
| 4 |
| + |
| 4 |
| × |
| 3 |
| 2 |
答案(点此获取答案解析）
49,42
| 3 |
| a |
| + |
| 4 |
| b |
| 2 |
| 3 |
| × |
| 4 |
| + |
| 4 |
| × |
| 3 |
| 2 |
