二次根式 - 八下 - 16 Flashcards by Zhiyuan Zhuang | Brainscape

Q

当x是怎样的实数时, 根号x在实数范围内有意义?

A

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Q

什么叫最简二次根式? 能举出一些最简二次根式的例子吗?

A

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Q

请分别举例说明二次根式的+ - × ÷法则.

A

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