What is i in 2*i**3/7 + 2838*i**2/7 + 1005360*i/7 - 1008200/7 = 0?
-
What is the l'th term of -3, 7, 27, 63, 121, 207, 327?
-
What is the j'th term of -348, -346, -342, -336, -328, -318?
-
What is the v'th term of 8238, 16479, 24720, 32961, 41202, 49443?
-
What is the z'th term of 1280, 2580, 3882, 5186?
-
What is the j'th term of 190, 181, 168, 151, 130?
-
What is the u'th term of 2606, 5207, 7808, 10409?
一个美术生