问题
解答题
（1）-
（2）（
（3）（
|
答案
（1）-
| 1 |
| 2 |
| 7 |
| 8 |
| 3 |
| 4 |
| 21 |
| 64 |
（2）（
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 10 |
=-
| 1 |
| 6 |
| 4 |
| 5 |
=-
| 4 |
| 3 |
（3）（
| 7 |
| 4 |
| 7 |
| 8 |
| 7 |
| 12 |
| 7 |
| 8 |
| 8 |
| 3 |
=-
| 7 |
| 4 |
| 8 |
| 7 |
| 7 |
| 8 |
| 8 |
| 7 |
| 7 |
| 12 |
| 8 |
| 7 |
| 8 |
| 3 |
=-2+1+
| 2 |
| 3 |
| 8 |
| 3 |
=-2+1-2
=-3．
搜题请搜索小程序“爱下问搜题”
（1）-
（2）（
（3）（
|
（1）-
| 1 |
| 2 |
| 7 |
| 8 |
| 3 |
| 4 |
| 21 |
| 64 |
（2）（
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 10 |
=-
| 1 |
| 6 |
| 4 |
| 5 |
=-
| 4 |
| 3 |
（3）（
| 7 |
| 4 |
| 7 |
| 8 |
| 7 |
| 12 |
| 7 |
| 8 |
| 8 |
| 3 |
=-
| 7 |
| 4 |
| 8 |
| 7 |
| 7 |
| 8 |
| 8 |
| 7 |
| 7 |
| 12 |
| 8 |
| 7 |
| 8 |
| 3 |
=-2+1+
| 2 |
| 3 |
| 8 |
| 3 |
=-2+1-2
=-3．