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【321139】【详解】六年级(上)第02讲 计算综合二答案

时间:2025-01-08 19:31:18 作者: 字数:1319字
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第二讲 计算综合二

例题

  1. 答案: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    详解:原式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  2. 答案: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    详解:原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  3. 答案:1.25
    详解:因为 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
     <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    所以原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  4. 答案:1
    详解:设 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ,于是有:
     <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  5. 答案:(1 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ;(2 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    1)详解:原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    2)详解:原方程两边同时取倒数,得: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ,即 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    将其两边同时取倒数得: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ,即 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    将其两边同时取倒数得: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ,即 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  6. 答案:(16;(22665.7
    1)详解:由 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ,得: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    2)详解:原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    = <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>


练习

  1. 答案:6
    简答:原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  2. 答案:4
    简答:原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  3. 答案:98
    简答:原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  4. 答案: <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    简答:令 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ,则原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>




作业:

  1. 答案:25
    简答:原式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  2. 答案:(12;(2 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    简答:(1)原式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ;(2)原式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  3. 答案:2.111
    简答:设a=0.1111b=0.9999,则有:
    原式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

  4. 答案:(14;(2 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    简答:(1)原式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ;(2)倒数法:  <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>


  5. 答案:(1 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ;(2 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a> ;(3333300.99
    简答:(1)原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    2)原式= <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    3)原式 <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>
    Shape1
     <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/279/" title="综合" class="c1" target="_blank">综合</a>

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