问题
填空题
函数f(x)=
|
答案
由
，解得：x＜4且x≠34-x＞0 x-3≠0
故答案为：{x|x＜4且x≠3}
搜题请搜索小程序“爱下问搜题”
函数f(x)=
|
由
，解得：x＜4且x≠34-x＞0 x-3≠0
故答案为：{x|x＜4且x≠3}
从方框中选择正确答语，将其序号填入题前括号里。
( ) 2. What are the students doing? ( ) 3. How are you, Sarah? ( ) 4. How old are you, Sarah? ( ) 5. What's your name? ( ) 6. What's the matter? |