Odpowiedź:
3/4 - 5 * (2 - 7) = 0,75 - 5 * (-5) = 0,75 + 25 = 25,75
3/2 - (7 - 3) - 10 = 3/2 - 4 - 10 = 1,5 - 4 - 10 = -12,5
4 - 1,5 * 2 = 4 - 3 = 1
(1 i 3/8 + 2) : 3 + 1 = 3 i 3/8 : 3 + 1 = 27/8 * 1/3 + 1 = 9/8 + 1 = 1 i 9/8 = 2 i 1/8