Solve -3*f - u = -2*u - 17, 12 = -2*f - 4*u for f.
-
What is the r'th term of 25, 20, 5, -26, -79, -160, -275, -430?
-
What is the q'th term of 60, 309, 724, 1305, 2052, 2965?
-
What is the a'th term of 120, 130, 140, 150, 160?
-
What is the y'th term of 50, 60, 70, 74, 66?
-
What is the i'th term of -1538, -1540, -1542?
-
What is the z'th term of 3, 10, 19, 30, 43, 58?
小镇错题家