What is the l'th term of 62, 124, 192, 266?
-
What is the i'th term of 13, 78, 185, 334, 525, 758, 1033?
-
What is the g'th term of 39, -66, -171?
-
What is the t'th term of -13, -37, -61, -85, -109?
-
What is the b'th term of -101, -204, -311, -422?
-
What is the h'th term of 1403, 2805, 4207?
-
What is the r'th term of -79, -149, -219, -289?
一个美术生