Вычисли значения выражений.
4 * 7
3 * 9
5 * 8
(10 + 7) * 5
(10 + 2) * 4
(20 + 6) * 3
15 * 3
14 * 2
23 * 4
(52 − 20) : 4
(70 − 40) : 5
(60 − 36) : 3
4 * 7 = 28
3 * 9 = 27
5 * 8 = 40
(10 + 7) * 5 = 10 * 5 + 7 * 5 = 50 + 35 = 85
(10 + 2) * 4 = 10 * 4 + 2 * 4 = 40 + 8 = 48
(20 + 6) * 3 = 20 * 3 + 6 * 3 = 60 + 18 = 78
15 * 3 = (10 + 5) * 3 = 10 * 3 + 5 * 3 = 30 + 15 = 45
14 * 2 = (10 + 4) * 2 = 10 * 2 + 4 * 2 = 20 + 8 = 28
23 * 4 = (20 + 3) * 4 = 20 * 2 + 3 * 4 = 80 + 12 = 92
(52 − 20) : 4 = 12 : 4 = 3
(70 − 40) : 5 = 30 : 5 = 6
(60 − 36) : 3 = 24 : 3 = 8