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(本题8分)先将÷化简,然后自选一个合适的x值,代入化简后的式子求值。-九年级数学
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.若有意义,则x的取值范围是.-九年级数学
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.-九年级数学
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化简-八年级数学
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计算:-九年级数学
题目简介
当时,二次根式无意义.-九年级数学
题目详情
答案
解答:解:根据题意,得
x-3<0,
解得,x<3,
故答案是:x<3