What is the r'th term of 25, 36, 47, 58, 69?
上一篇：
What is the t'th term of -7, -65, -215, -499, -959, -1637, -2575, -3815?
下一篇：
What is the a'th term of 1, 0, 1, 4?
-
What is the t'th term of -7, -65, -215, -499, -959, -1637, -2575, -3815?
-
What is the h'th term of 29, 34, 45, 62, 85, 114?
-
What is the u'th term of 109, 135, 161, 187?
-
What is the a'th term of 1, 0, 1, 4?
-
What is the k'th term of 13, 8, -9, -44, -103, -192, -317, -484?
-
What is the h'th term of -335, -335, -343, -365, -407, -475, -575?
一个美术生