What is the c'th term of 261, 269, 275, 279, 281, 281?
-
What is the x'th term of 256, 257, 258, 259, 260?
-
What is the z'th term of 223, 431, 639?
-
What is the g'th term of -3471, -3469, -3465, -3459, -3451, -3441?
-
What is the g'th term of 47, 154, 263, 374, 487?
-
What is the f'th term of 51, 58, 63, 66, 67?
-
What is the q'th term of -429, -861, -1303, -1761, -2241, -2749?
一个美术生