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Open 这个 问答 由 lvdaidai 发布于 2019-09-07 · 29 阅读 0 回复
lvdaidai 评论于 2019-09-07

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.

Find the sum of all the multiples of 3 or 5 below 1000.