s = 0 +2*1 ,k = 1+1; s = 2,k = 2
s = 2+ 2*2,k = 2+1;s = 6,k = 3
s = 6+2*3,k = 3+1; s = 12,k= 4
s = 12+2*4,k = 4+1; s = 20,k = 5
s = 20+2*5,k = 5+1;s = 30,k = 6
s = 30
s = 2+ 2*2,k = 2+1;s = 6,k = 3
s = 6+2*3,k = 3+1; s = 12,k= 4
s = 12+2*4,k = 4+1; s = 20,k = 5
s = 20+2*5,k = 5+1;s = 30,k = 6
s = 30
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第1个回答 2016-04-07
30 纯口算😂
第2个回答 2016-04-07
10追答
看错了
呃呃呃呃呃呃呃呃
30
追问求一下过程
我没遍答案都不一样啊啊啊
追答k先等于1每循环一次加1，总共循环5次所以k依次为2,4,6,8,10所以s依次为2，6，12，20，30
所以答案为30
第3个回答 2016-04-07
30追答
采纳吧
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