What is the v'th term of 269, 272, 275, 278, 281, 284?
-
What is the u'th term of -19, -55, -117, -205, -319?
-
What is the q'th term of 25, 67, 135, 229?
-
What is the u'th term of -62, -63, -64, -65, -66?
-
What is the v'th term of -35, -24, -15, -8, -3, 0?
-
What is the d'th term of -29, -52, -75, -98, -121, -144?
-
What is the p'th term of 121, 105, 77, 31, -39, -139, -275, -453?
一个美术生