Problem2421--数列-求6的倍数之和练习

2421: 数列-求6的倍数之和练习

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 127  Solved: 104
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Description

求6+12+18+24+...+180的和是多少？

Source/Category

 基础B  
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