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【334565】2025四年级数学下册_五_动物世界__小数的意义和性质信息窗3补充练习_青岛版六三制

时间:2025-02-14 19:42:57 作者: 字数:757字


1.按要求填空

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>

2.观察魔术箱上的两个数,你发现了什么?填一填

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>

3.解决实际问题

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>



补充练习

参考答案

1

4.68

1.008


1211


0.1211

.
按要求填空

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>

0.00468

1008

0.008

800

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>

2.观察魔术箱上的两个数,你发现了什么?填


 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>

566

0.03

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>

5670

0.045

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/101/" title="小数" class="c1" target="_blank">小数</a> <a href="/tags/142/" title="世界" class="c1" target="_blank">世界</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> <a href="/tags/386/" title="性质" class="c1" target="_blank">性质</a>


3.方法一:8.9÷100 = 0.089(升)

0.089×1000 = 89()

答:行驶1000米的耗油量是89升。

方法二: 1000÷100 = 10

8.9×10 = 89(升)

答:行驶1000米的耗油量是89升。


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