02:43 duration 2 minutes 43 seconds
Prealgebra 2.4.4
(-4) ^ 3 = 64
02:09 duration 2 minutes 9 seconds
Prealgebra 2.5.6
5 - (-3) ^ 2 / -2
02:32 duration 2 minutes 32 seconds
Prealgebra 2.6.12
-4 ( x - 2y + 3z)
02:18 duration 2 minutes 18 seconds
1314 1.7.4
-2 < 5 + 3x < 20