Условие:

Вычисли.
96 − (3020)
81 + (5 + 3)
70 − (6 + 4)
50 + (109)
(35 + 3) − 30
(444) + 40
(10030) − 1
(20 + 20) − 20

96 − (3020) = 86
81 + (5 + 3) = 89
70 − (6 + 4) = 60
50 + (109) = 51
(35 + 3) − 30 = 8
(444) + 40 = 80
(10030) − 1 = 69
(20 + 20) − 20 = 20
Вычисления:
96 − (3020) = 9610 = 86
81 + (5 + 3) = 81 + 8 = 89
70 − (6 + 4) = 7010 = 60
50 + (109) = 50 + 1 = 51
(35 + 3) − 30 = 3830 = 8
(444) + 40 = 40 + 40 = 80
(10030) − 1 = 701 = 69
(20 + 20) − 20 = 4020 = 20