What is the u'th term of -164, -169, -176, -185, -196, -209, -224?
-
What is the b'th term of 450, 899, 1348, 1797?
-
What is the b'th term of 17, 28, 47, 74, 109?
-
What is the k'th term of -2, 3, 8, 13?
-
What is the x'th term of -1535, -1543, -1549, -1553?
-
What is the y'th term of -815, -817, -819, -821, -823?
-
What is the x'th term of -6, -23, -40, -57, -74, -91?
一个美术生