What is the q'th term of 13, 26, 53, 100, 173, 278, 421, 608?
-
What is the w'th term of 13, 18, 37, 76, 141, 238, 373?
-
What is the l'th term of -72, -129, -186, -243?
-
What is the b'th term of -133, -408, -829, -1396, -2109, -2968, -3973?
-
What is the g'th term of -210, -410, -610?
-
What is the c'th term of 439, 453, 481, 529, 603, 709, 853?
-
What is the o'th term of -60, -126, -192, -258, -324, -390?
一个美术生