Solve 2*r + 3*c = -15, 3*r + 21 = 2*c - 6*c for r.
-
What is the w'th term of 20, -2, -58, -148?
-
What is the g'th term of -836, -838, -840, -842, -844?
-
What is the v'th term of -239, -485, -733, -983?
-
What is the c'th term of -1022, -2045, -3066, -4085, -5102?
-
What is the b'th term of -241, -480, -717, -952, -1185, -1416?
-
What is the m'th term of -68, -132, -244, -410, -636, -928, -1292?
小镇错题家