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【321228】六年级数学上册典型例题系列之第六单元百分数的计算题部分(解析版)_1

时间:2025-01-08 19:37:43 作者: 字数:3280字
简介:

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 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> 六年级数学上册典型例题系列之

第六单元百分数的计算题部分(解析版)


编者的话:

《六年级数学上册典型例题系列》是基于教材知识点和常年考点考题总结和编辑而成的,其优点在于选题典型,考点丰富,变式多样。

本专题是第六单元百分数的计算题部分,后续内容为《第六单元百分数的应用题基础部分》。本部分内容主要考察分数、小数、百分数的转化,多以计算题型为主,考察计算能力,题目难度不大,共划分为四个考点,欢迎使用。


Shape1

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>








【考点一】分数、小数、除法、比、百分数之间的互相转化。

【方法点拨】

常见的分数与小数、百分数之间的互化:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.5=50%  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.2=20%  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.625= 62.5%

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.25=25%  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.4=40%  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.125=12.5%

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.75=75%  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.6=60%  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =1.375=37.5%

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.0625=6.25%  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.8=80%  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.875=87.5%

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.04=4﹪  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.08=8﹪  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.12=12﹪  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> =0.16=16﹪

【典型例题】

1.    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>

2.将下面的小数和分数化成百分数,百分数化成小数。

0.35     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>      <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>      <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>      <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>    1.24   

解析:

1.9560

2.35%0.01280%6.25%0.75124%

【对应练习1

    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>    

解析:2402520

【对应练习2

________÷24  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> ________%=________(填小数)。

解析:18750.75

【考点二】分数、小数、百分数之间的大小比较。

【方法点拨】

根据分数、小数、百分数相互转化的方法,将三者统一为一种数后再进行大小比较。


【典型例题】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> 中,最大的数是   ,最小的数是   

解析: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> 83%

【对应练习1

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> 0.98 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> 0.9按从大到小的顺序排列起来是:

       <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>        <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>        <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>       

解析:99%0.980.9 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>

【对应练习2

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> 3.14 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> 中,最大的数是   ,最小的数是   

解析: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>

【考点三】与百分数有关的混合运算。

【方法点拨】

与百分数有关的混合运算或简便计算,运算顺序不变,可再计算过程中将百分数统一成为一种数,再进行计算。

【典型例题】

计算下面各题,能简算的要简算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>

解析:0.06255.240

【对应练习】

递等式计算,怎样简便就怎样算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>

解析:750.9

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>

解析: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> 2 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>



【考点四】与百分数有关的方程计算。

【方法点拨】

解方程过程中,如果有百分数可以根据算式情况将百分数转化为分数或小数再解方程。

【典型例题】

解方程。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a>

解析:x=45x= <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/12/" title="算题" class="c1" target="_blank">算题</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> <a href="/tags/98/" title="例题" class="c1" target="_blank">例题</a> x=0.4


【对应练习】

解方程。

x-30%x=7 36%x-4.18=3.02 35+35%x=70

解析:x=10x=20x=100






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