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Since my birth I have had a birthday cake with candles, one for each year of my
Since my birth I have had a birthday cake with candles, one for each year of my
游客
2024-08-08
24
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问题
Since my birth I have had a birthday cake with candles, one for each year of my birthdays. To date, I have had 325 candles. How old am I?
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答案
25
解析
假设当前年龄是n,则此时需要的蜡烛的总数为n(n+1)/2=325,可以解得n=25。
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