主要内容
五年级
Course: 五年级 > 单位 8
课程 1: 同分母分数加减法分解分数复习
复习分解分数的基础知识并尝试做一些练习题.
分数分解
分解一个数 , 我们将它分成若干小的部分.
像其它数一样, 分数分解有很多方法.
例 1： 色带图
分解 start fraction, 5, divided by, 9, end fraction.
一种分解 start fraction, 5, divided by, 9, end fraction 的方法是 start color #e07d10, start fraction, 2, divided by, 9, end fraction, end color #e07d10, plus, start color #1fab54, start fraction, 3, divided by, 9, end fraction, end color #1fab54:
另一种分解 start fraction, 5, divided by, 9, end fraction 的方法是 start color #7854ab, start fraction, 1, divided by, 9, end fraction, end color #7854ab, plus, start color #e84d39, start fraction, 2, divided by, 9, end fraction, end color #e84d39, plus, start color #01a995, start fraction, 2, divided by, 9, end fraction, end color #01a995:
例 2：数轴
如何分解 start fraction, 6, divided by, 4, end fraction?
一种分解 start fraction, 6, divided by, 4, end fraction 的方法是 start color #7854ab, start fraction, 1, divided by, 4, end fraction, end color #7854ab, plus, start color #7854ab, start fraction, 1, divided by, 4, end fraction, end color #7854ab, plus, start color #7854ab, start fraction, 1, divided by, 4, end fraction, end color #7854ab, plus, start color #7854ab, start fraction, 1, divided by, 4, end fraction, end color #7854ab, plus, start color #7854ab, start fraction, 1, divided by, 4, end fraction, end color #7854ab, plus, start color #7854ab, start fraction, 1, divided by, 4, end fraction, end color #7854ab:
另一种分解 start fraction, 6, divided by, 4, end fraction 的方式是 start color #11accd, start fraction, 3, divided by, 4, end fraction, end color #11accd, plus, start color #11accd, start fraction, 3, divided by, 4, end fraction, end color #11accd:
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