简便计算题:1997÷(1997+1997/1998)+(1/1999)
- 时间:2020-06-07 17:57:17
- 分类:数学世界
- 阅读:72 次
一道分数乘除法的简便计算题:1997÷(1997+1997/1998)+(1/1999) ,这道题应该怎么计算?得数是多少?
数学题解答:你这样写算式,不容易看明白,你看是不是下图这样的算式?
就是这样的,怎么简便计算呢?
请看下面的过程,我省了一步,但写出了得数,你自己想一下。
其实省掉的一步是这样的:1998/1999 + 1/1999=1
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