函数f(x)=1log2(1-x)的定义域是______．_爱下问搜题

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问题填空题

函数f(x)=

1

log2(1-x)

的定义域是______．

答案

由题意

1-x＞0

log2(1-x)≠0

，解得x＜1且x≠0

故函数f(x)=

1

log2(1-x)

的定义域是{x|x＜1且x≠0}

故答案为：{x|x＜1且x≠0}

多项选择题

在纱疵的分级中，短粗节包含（）.

A、长粗节

B、标准纱疵

C、小纱疵

D、长细节

填空题

Sometimes people were traveling to look for rich farmland.
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for fun.Even in ancient times, some pleasure travel
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Why do people like traveling s________much?	4.________
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society________stress has become part of	6.________
people's life, people can relax by h________a	7.________
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about different places and cultures. No one
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the mind. Travel to different countries is
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