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负分数除负分数怎么算
更新时间: 2020-10-04 00:00:00  

负分数加减法的运算规律和正负整数加减法的运算规律完全相同,即:同号两数相加,取相同的符号,并把绝对值相加。异号两数相加,取较大的加数的符号,并用较大的绝对值减去较小的绝对值。

小于0的分数即为负分数。

运算法则::对于负分数的加减运算,先确定和、差的符号,再转化为正分数的加减运算。

减去一个数等于加上这个数的相反数。互为相反数的两个数相加为零。

关键词: 分数 怎么

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