What is the r'th term of 42, 114, 234, 396, 594, 822, 1074, 1344?
上一篇：
What is the m'th term of 15, 9, 3, 3, 15, 45, 99, 183?
下一篇：
What is the p'th term of -295, -590, -895, -1216, -1559, -1930, -2335?
-
What is the m'th term of 15, 9, 3, 3, 15, 45, 99, 183?
-
What is the a'th term of 91, 230, 453, 754, 1127, 1566, 2065, 2618?
-
What is the s'th term of 6, 2, -2?
-
What is the p'th term of -295, -590, -895, -1216, -1559, -1930, -2335?
-
What is the q'th term of -2325, -4653, -6981?
-
What is the y'th term of -539, -546, -565, -602, -663, -754, -881?
一个美术生