摘要:A.Sk+ B.Sk++
网址:http://m.1010jiajiao.com/timu_id_15296[举报]
设Sk=
+
+
+…+
,则Sk+1为( )
1 |
k+1 |
1 |
k+2 |
1 |
k+3 |
1 |
2k |
A、Sk+
| ||||
B、Sk+
| ||||
C、Sk+
| ||||
D、Sk+
|
网址:http://m.1010jiajiao.com/timu_id_15296[举报]
1 |
k+1 |
1 |
k+2 |
1 |
k+3 |
1 |
2k |
A、Sk+
| ||||
B、Sk+
| ||||
C、Sk+
| ||||
D、Sk+
|