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【331162】9.1.1 分式的概念

时间:2025-01-21 13:43:40 作者: 字数:582字
简介:

9.1.1 分式的概念

一、解答题:

1、下列各式分别回答 <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> 哪些是整式?哪些是分式?

 <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a>  <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a>  <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a>2a-3b,

 <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> ,  <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> ,  <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a>





2、分式 <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> ,当y_____时,分式有意 <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> 义;当y______时,分式没有意义;当y______时,分式的值为0.

3、当x取什么数时 <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> ,分式 <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> :

1)有意义 ; 2)值为零?[来源:..






4.x取何值时,下列分式的值为零?

 <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a>  <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> <a href="/tags/412/" title="概念" class="c1" target="_blank">概念</a> <a href="/tags/846/" title="分式" class="c1" target="_blank">分式</a> [来源:学科网ZXXK]