What is the t'th term of -1261, -1251, -1241, -1231, -1221, -1211?
-
What is the v'th term of 155, 151, 153, 161?
-
What is the t'th term of 317, 639, 961, 1283, 1605, 1927?
-
What is the s'th term of 117, 132, 147, 162?
-
What is the a'th term of 466, 938, 1410?
-
What is the f'th term of -674, -676, -680, -686, -694, -704?
-
What is the b'th term of 87, 310, 691, 1236, 1951, 2842, 3915?
一个美术生