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从1加到99等于多少要过程

更新时间: 2020-10-03 00:00:00     

从1加到99等于4950;

具体计算步骤如下:

1、首先从1一直加到99一共有99个数字;

2、以50为分界,比五十大的数有49个,比五十小的数有49个;

3、观察规律可知,1加99等于100,2加98等于100,3加97等于100等等;

4、由步骤3的规律可知1加到99等于100乘以49的积加50等于4950。

关键词: 等于 多少 过程

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