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1一直加到120等于多少
更新时间: 2020-11-05 00:00:00  

1一直加到120等于7260。可以借用高斯计算1+2+3...+100的方法。首尾相加等于121,第二项和倒数第二项加家等于121,一直到60+61=121所以一共有60个121,则60*121=7260。

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