02:04duration 2 minutes 4 seconds
Prealgebra 4.8.1
1/6 + 2/3 ÷ 1/2 * 5/8
01:49duration 1 minute 49 seconds
Prealgebra 2.5.4
2 ^ 4 + 51 * 4 - (37 + 23 * 2)