题目内容
(1)计算:(π-3.14)0-2-2-(
)2;
(2)化简:(
-
)÷
.
| ||
| 2 |
(2)化简:(
| m |
| m+3 |
| 2m |
| m+3 |
| m |
| m2-9 |
(1)原式=1-
-
=0;
(2)原式=
×
=3-m.
故答案为0、3-m.
| 1 |
| 4 |
| 3 |
| 4 |
(2)原式=
| -m |
| m+3 |
| (m+3)(m-3) |
| m |
故答案为0、3-m.
练习册系列答案
相关题目