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【334609】2024五年级数学下册_第3单元_剪纸中的数学__分数加减法_一_第2课时_同分母分数

时间:2025-02-14 19:49:44 作者: 字数:718字
简介:


1.王老师有一张硬纸,做数字卡片用了这张纸的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a> ,做试题卡片用了这张纸的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a> 。(1)王老师一共用了这张纸的几分之几?(2)做数字卡片比做试题卡片多用了这张纸的几分之几?


2 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a> .





1)小明和丁丁一共吃了这个蛋糕的几分之几?

2)小明比丁丁多吃了这个蛋糕的几分之几?

3.一本书,小巧第一天看了它的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a> ,第二天看了它的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a> 。两天一共看了这本书几分之几?









答案:

1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a>

2 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a>

3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/52/" title="减法" class="c1" target="_blank">减法</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/407/" title="分母" class="c1" target="_blank">分母</a>

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