人教版小学数学五年级下册第四单元示意图。

速度啊!我明天要交的!
2025-02-07 00:05:39
推荐回答(3个)
回答1:

分数的意义
分数的产生

分数的意义

分数与除法
例1(单位“1”是一个物体)

例2(单位“1”是多个物体)

真分数与假分数
例1(真分数)

例2(假分数)

例3(带分数)

例4(假分数化成整数或带分数)

分数的基本性质
例1(分数基本性质的原理)

例2(分数基本性质的应用)

约分
最大公因数
例1(公因数、最大公因数的概念)

例2(最大公因数的求法)

约分
例3(最简分数)

例4(约分)

通分
最小公倍数
例1(公倍数、最小公倍数的概念)

例2(最小公倍数的求法)

通分
例3(分数的大小比较)

例4(通分)

分数与小数的互化
例1(小数化分数)

例2(分数化小数)

回答2:

算了吧

回答3:

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