小学五年级数学下册第四单元《分数的意义和性质》知识点归纳

<img src="//www.szxuexiao.com/uploadimages/2012/0703/201273114325.jpg?m=0.7626716245431453" alt="分数的意义和性质"><div><img src="//www.szxuexiao.com/uploadimages/2012/0703/20127311444.jpg?m=0.02431907644495368" alt="分数的意义和性质"><br></div><div><div><br></div><div>最简分数的分母只含有质因数2和5,这个分数一定能化成有限小数。</div><div><br></div><div><strong>分数化简包括两步:</strong>一是约分;二是把假分数化成整数或带分数。</div></div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0703/20127311454.jpg?m=0.044991886243224144" alt="分数的意义和性质"><br></div><div><br></div><div><br></div><div><br></div>