题目内容
(请给出正确答案)
[单选题]
-2,l,7,16,(),43
A.25
B.28
C.31
D.35
![](https://lstatic.shangxueba.com/sxbcn/h5/images/tips_org.png)
第4题
A.15,144
B.17,144
C.17,12
D.7,16
第5题
A.①40π2(I L/λ)2 ②80π2(L/λ)2
B.①40π2(I L/λ)2 ②40π2(L/λ)2
C.①80π2(I L/λ)2 ②80π2(L/λ)2
D.①60π2(I L/λ)2 ②120π2(L/λ)2
第8题
A.n = 2,l = 0,m = 1
B.n = l,l = 1,m = 1
C.n = 2,l = 2,m = 2
D.n = 1,l = 0,m = 0
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