分数的读法和写法

2025-04-06 23:15:30
推荐回答(4个)
回答(1):

一)数的读法和写法
整数的读法:从高位到低位,一级一级地读。读亿级、万级时,先按照个级的读法去读,再在后面加一个“亿”或“万”字。每一级末尾的0都不读出来,其它数位连续有几个0都只读一个零。
整数的写法:从高位到低位,一级一级地写,哪一个数位上一个单位也没有,就在那个数位上写0。
小数的读法:读小数的时候,整数部分按照整数的读法读,小数点读作“点”,小数部分从左向右顺次读出每一位数位上的数字。
小数的写法:写小数的时候,整数部分按照整数的写法来写,小数点写在个位右下角,小数部分顺次写出每一个数位上的数字。
分数的读法:读分数时,先读分母再读“分之”然后读分子,分子和分母按照整数的读法来读。
分数的写法:先写分数线,再写分母,最后写分子,按照整数的写法来写。
百分数的读法:读百分数时,先读百分之,再读百分号前面的数,读数时按照整数的读法来读。
百分数的写法:百分数通常不写成分数形式,而在原来的分子后面加上百分号“%”来表示。

回答(2):

分数:先读分母后读分子,中间加一“分”字,两者都是按照整数的读法读
例:12/13读作十三分之十二

回答(3):

分数中间的横线是分数线读做分之,线下面的数先读
1/2读作二分之一

回答(4):

例如

4分之3

3
——
4

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