- #3 [RichardLui], 17-06-25 19:28
- #2 [nagramen], 17-06-25 19:27
a1+a2+a3+.....a100 = 50,000,050
Using Excel is easy ^_*
But analytical solution would involve very complicated algebra method :-( - #1 [bankguy], 17-06-25 19:01姨甥問我,我唔識做。有冇師兄可以幫手?
直情唔知同乜嘢 topic 有關。Summation of Series? 上網都搵唔到有用資料。
最後修改時間: 2017-06-25 19:12:32 -
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Sum of n, n², or n³