1+2+3+4+5+6.....................+98+99+1...

2024-12-23 05:30:12
推荐回答(1个)
回答1:

1+2+3+4+5+6.....................+98+99+100
=(1+100)*100/2
=101*50
=5050

有疑问,请追问;若满意,请采纳,谢谢!