问题
解答题
先将
|
答案
原式=
•x(x-2) x+1
=x-2，x+1 x
当x=2时，原式=2-2=0．
（说明：只要x不取-1和0，取其他值计算正确均可）
搜题请搜索小程序“爱下问搜题”
先将
|
原式=
•x(x-2) x+1
=x-2，x+1 x
当x=2时，原式=2-2=0．
（说明：只要x不取-1和0，取其他值计算正确均可）
| 对话排序 | |
| 这是Henry和Bruce的一段对话。请你根据对话内容，在括号内填上相应的字母。 | |
| Henry ( B )What sports do you like? ( )1. Why do you like it? ( )2. Do you want to play it now? ( )3. What movie? ( )4. But I don't think so. Thrillers. ( )5. I like comedies. | Bruce A: Sorry, I don't. I want to go to a movie. B: I like basketball. C: What kind of movies do you like, then? D: Because it's exciting. E: Sleepless Night. It's a thriller and it's interesting. F: Oh, I like comedies, too. |