Сравни.
3 * (5 + 4) и 3 * 10;
(16 − 7) * 5 и 10 * 5;
8 * (2 + 9) и 8 * 10;
(3 + 7) * 4 и 10 * 4.
3 * (5 + 4) < 3 * 10
3 * 9 < 3 * 10
27 < 30
(16 − 7) * 5 и 10 * 5
9 * 5 < 10 * 5
45 < 50
8 * (2 + 9) и 8 * 10
8 * 11 > 8 * 10
88 > 80
(3 + 7) * 4 = 10 * 4
10 * 4 = 10 * 4
40 = 40