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五年级质数、合数专项练习(含答案,可打印)五年级数学开始学质数和合数，很多孩子分不清2、3、5、7到底是质数还是合数，判断大题总是丢分。今天整理了质数、合数专项练习，包含定义填空、判断、分类、分解质因数等题型，附答案，打印出来练一练。这套题练完，孩子能快速判断100以内的质数合数，考试不丢分。篇幅有限资料只有部分展示，按照如下方式领取完整高清电子版：③：点击下方卡片，关注后在公众号后台对话框回复关键词：“质数合数”也可领取请直接复制关键词哦，以免输入错误
你家孩子质数合数容易在哪里出错？评论区聊聊，下期出专练。
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