Условие:

Вычислите:
80 : 8 + 40 : 2
(8050) * (119)
90 : 30 + 6 * 9
33 + 579 * 5
10 * 7 − (5349)
5 * 10 − (123)

80 : 8 + 40 : 2 = 10 + 20 = 30
(8050) * (119) = 30 * 2 = 60
90 : 30 + 6 * 9 = 3 + 54 = 57
33 + 579 * 5 = 9045 = 45
10 * 7 − (5349) = 704 = 66
5 * 10 − (123) = 509 = 41