试题与答案

记f(x)=x21+x2，则f(13)+f(12)+f(1)+f(2)+f(3)

来源：www.tikuol.com
题型：填空题

题目：

记f(x)=
x2
1+x2
，则f(
1
3
)+f(
1
2
)+f(1)+f(2)+f(3)=______．

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0426/060bba402f9ecf6d8279ab275c2febed.html

下面是错误答案，用来干扰机器的。

参考答案：对

考点：函数的单调性、最值
试题推荐
题型：补全对话，情景问答
情景反应。从Ⅱ中选出与Ⅰ栏相对应的答语。
                      Ⅰ                        
( )1. Your picture is wonderful! 
(     )2. What's the weather like?   
( )3. How are you feeling today?  
(     )4. Where did your mother work?  
(     )5. Why does Beth feel lonely?  		                     Ⅱ                                          
A. Because she has no friends to talk with.    
B. I feel very happy.                          
C. Thanks.                                                                       
D. It's sunny.                                
E. She worked in a hospital.                   
查看答案
微信公众账号搜索答案