问题
解答题
计算：（1）(4
（2）(-1)2008+(-3)2×|-
|
答案
（1）原式=（
| 14 |
| 3 |
| 7 |
| 2 |
| 49 |
| 48 |
| 6 |
| 7 |
=-（
| 14 |
| 3 |
| 6 |
| 7 |
| 7 |
| 2 |
| 6 |
| 7 |
| 49 |
| 48 |
| 6 |
| 7 |
=-（4-3+
| 7 |
| 8 |
=-
| 15 |
| 8 |
（2）原式=1+9×
| 1 |
| 8 |
=1+
| 9 |
| 8 |
=
| 1 |
| 8 |
搜题请搜索小程序“爱下问搜题”
计算：（1）(4
（2）(-1)2008+(-3)2×|-
|
（1）原式=（
| 14 |
| 3 |
| 7 |
| 2 |
| 49 |
| 48 |
| 6 |
| 7 |
=-（
| 14 |
| 3 |
| 6 |
| 7 |
| 7 |
| 2 |
| 6 |
| 7 |
| 49 |
| 48 |
| 6 |
| 7 |
=-（4-3+
| 7 |
| 8 |
=-
| 15 |
| 8 |
（2）原式=1+9×
| 1 |
| 8 |
=1+
| 9 |
| 8 |
=
| 1 |
| 8 |