题目内容
化简:
=
=
;
-
=
.
| -3.6 |
| 1.2 |
-3
-3
;| -27 |
| -18 |
| 3 |
| 2 |
| 3 |
| 2 |
-
| 12 |
| -32 |
| 3 |
| 8 |
| 3 |
| 8 |
分析:原式利用同号及异号两数相除的法则计算即可得到结果.
解答:解:
=-3;
=
=
;-
=
=
.
故答案为:-3;
;
| -3.6 |
| 1.2 |
| -27 |
| -18 |
| 27 |
| 18 |
| 3 |
| 2 |
| 12 |
| -32 |
| 12 |
| 32 |
| 3 |
| 8 |
故答案为:-3;
| 3 |
| 2 |
| 3 |
| 8 |
点评:此题考查了有理数的除法,熟练掌握运算法则是解本题的关键.
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