题目内容
| -y |
| 2x |
| 3y |
| 4x |
| -2x |
| 3y |
分析:先把除法变成乘法,再约分化简即可.
解答:解:
÷(-
)(
)=-
×
×
…(2分)
=-
…(4分).
| -y |
| 2x |
| 3y |
| 4x |
| -2x |
| 3y |
| y |
| 2x |
| 4x |
| 3y |
| 2x |
| 3y |
=-
| 4x |
| 9y |
点评:本题考查了分式的乘除法,是基础知识要熟练掌握.
练习册系列答案
相关题目
题目内容
| -y |
| 2x |
| 3y |
| 4x |
| -2x |
| 3y |
| -y |
| 2x |
| 3y |
| 4x |
| -2x |
| 3y |
| y |
| 2x |
| 4x |
| 3y |
| 2x |
| 3y |
| 4x |
| 9y |