-7(3+(-8)) = -7(-5) = 35
(0.3 - 3/20) 2 = (0.3 - 0.15) 2 = 0.15 * 2 = 0.3
2/9 - 2/5 - 2/5 = 10/45 - 18/45 - 18/45 = (10 - 18 - 18)/45 = -26/45
1.4 is the final result.
-7(3+(-8)) = -7(-5) = 35
(0.3 - 3/20) 2 = (0.3 - 0.15) 2 = 0.15 * 2 = 0.3
2/9 - 2/5 - 2/5 = 10/45 - 18/45 - 18/45 = (10 - 18 - 18)/45 = -26/45
1.4 is the final result.