单项选择题
A.11/21 B.13/51 C.63/65 D.91/165
2.1,2.2,4.1,4.4,16.1()A.32.4 B.16.4 C.32.16 D.16....
单项选择题2.1,2.2,4.1,4.4,16.1()
A.32.4 B.16.4 C.32.16 D.16.16
9,30,69,132,225,()A.354 B.387 C.456 D.540
单项选择题9,30,69,132,225,()
A.354 B.387 C.456 D.540
1,121,441,961,1681,()A.2401 B.2601 C.3721 D.4961
单项选择题1,121,441,961,1681,()
A.2401 B.2601 C.3721 D.4961
