题干
10的
是____
的3倍是____
| 5 |
| 3 |
| 4 |
10个
是____．
| 2 |
| 5 |
答案(点此获取答案解析）
| 7 |
| 9 |
| 4 |
| 5 |
| 3 |
| 4 |
| 2 |
| 5 |
| 7 |
| 9 |
| 4 |
It's blue.