Умножение на 2, 3, 4. Примеры со скобками и без скобок

Примеры со скобками и без скобок

Решим примеры, следуя порядку действий (сначала в скобках, затем умножение/деление, потом сложение/вычитание).

1. \( 4 \times (2 \times 2 - 3) \times 2 + 8 = 4 \times (4 - 3) \times 2 + 8 = 4 \times 1 \times 2 + 8 = 8 + 8 = 16 \)
2. \( 19 - 2 \times 3 - 4 \times (3 - 1) = 19 - 6 - 4 \times 2 = 19 - 6 - 8 = 13 - 8 = 5 \)
3. \( 19 - (12 - 4) \times 2 - 2 = 19 - 8 \times 2 - 2 = 19 - 16 - 2 = 3 - 2 = 1 \)
4. \( 2 \times (15 - 11) - 2 \times 3 = 2 \times 4 - 6 = 8 - 6 = 2 \)
5. \( 2 + (12 - 2 - 2) \times 2 - 2 \times 4 = 2 + (8) \times 2 - 8 = 2 + 16 - 8 = 18 - 8 = 10 \)
6. \( 16 - (3 + 4) \times 2 + (15 - 12) = 16 - 7 \times 2 + 3 = 16 - 14 + 3 = 2 + 3 = 5 \)
7. \( 13 + 4 \times (2 - 2) + 6 - 8 \times 2 = 13 + 4 \times 0 + 6 - 16 = 13 + 0 + 6 - 16 = 19 - 16 = 3 \)
8. \( (10 - 1) \times 2 - 6 \times 3 + 5 + 11 = 9 \times 2 - 18 + 5 + 11 = 18 - 18 + 5 + 11 = 0 + 16 = 16 \)
9. \( 5 + (12 - 6) \times 2 - (2 + 3) \times 3 = 5 + 6 \times 2 - 5 \times 3 = 5 + 12 - 15 = 17 - 15 = 2 \)
10. \( 14 + 6 - (4 + 1) \times 4 + 7 = 20 - 5 \times 4 + 7 = 20 - 20 + 7 = 0 + 7 = 7 \)
11. \( 4 + 13 - 4 \times (3 + 1) + 5 = 17 - 4 \times 4 + 5 = 17 - 16 + 5 = 1 + 5 = 6 \)
12. \( 12 + 2 - 7 \times (3 - 1) + 10 = 14 - 7 \times 2 + 10 = 14 - 14 + 10 = 0 + 10 = 10 \)
13. \( 1 + 8 \times (14 - 12) - (1 + 3) \times 3 = 1 + 8 \times 2 - 4 \times 3 = 1 + 16 - 12 = 17 - 12 = 5 \)
14. \( (10 - 2) \times (6 - 4) - 11 - 3 = 8 \times 2 - 11 - 3 = 16 - 11 - 3 = 5 - 3 = 2 \)
15. \( 19 + 1 - 7 \times 2 - (11 - 9) \times 2 = 20 - 14 - 2 \times 2 = 20 - 14 - 4 = 6 - 4 = 2 \)
16. \( 11 + 4 \times 2 - (3 + 3) \times (5 - 3) = 11 + 8 - 6 \times 2 = 19 - 12 = 7 \)
17. \( (18 - 14) \times (9 - 6) + 2 \times 3 = 4 \times 3 + 6 = 12 + 6 = 18 \)
18. \( 13 + 2 \times 2 - (13 - 11) \times 4 = 13 + 4 - 2 \times 4 = 17 - 8 = 9 \)
19. \( 12 + 3 \times 2 - 13 + (11 - 2) = 12 + 6 - 13 + 9 = 18 - 13 + 9 = 5 + 9 = 14 \)
20. \( 16 - 5 \times 2 + 9 - (13 - 7) \times 2 = 16 - 10 + 9 - 6 \times 2 = 6 + 9 - 12 = 15 - 12 = 3 \)
21. \( 15 + 2 \times 2 - (11 - 3) \times 2 = 15 + 4 - 8 \times 2 = 19 - 16 = 3 \)
22. \( 3 \times 3 + 11 - (14 - 12) \times 4 = 9 + 11 - 2 \times 4 = 20 - 8 = 12 \)
23. \( 13 + 7 - (3 + 3) \times (14 - 11) = 20 - 6 \times 3 = 20 - 18 = 2 \)
24. \( (14 - 12) \times (1 - 1) + 14 = 2 \times 0 + 14 = 0 + 14 = 14 \)
25. \( 11 - 5 \times 2 + (4 + 4) \times 2 - 7 = 11 - 10 + 8 \times 2 - 7 = 1 + 16 - 7 = 17 - 7 = 10 \)
26. \( 12 + 3 \times 2 - 13 + (3 \times 3 - 1) = 12 + 6 - 13 + (9 - 1) = 18 - 13 + 8 = 5 + 8 = 13 \)
27. \( 13 + (16 - 7) \times (2 - 2) - 6 = 13 + 9 \times 0 - 6 = 13 + 0 - 6 = 7 \)
28. \( 14 - (4 - 2) \times 3 + 4 - 11 = 14 - 2 \times 3 + 4 - 11 = 14 - 6 + 4 - 11 = 8 + 4 - 11 = 12 - 11 = 1 \)
29. \( 11 + (1 + 1) \times (1 + 3) = 11 + 2 \times 4 = 11 + 8 = 19 \)
30. \( 7 + 12 - 2 - (9 - 7) \times 4 = 19 - 2 - 2 \times 4 = 17 - 8 = 9 \)
31. \( 13 + 2 \times 2 - (6 - 2) \times (3 - 1) = 13 + 4 - 4 \times 2 = 17 - 8 = 9 \)
32. \( 16 + 2 \times 2 - 2 \times (6 - 3) - 12 = 16 + 4 - 2 \times 3 - 12 = 20 - 6 - 12 = 14 - 12 = 2 \)
33. \( 12 + 2 \times 3 - 14 + (14 - 2) = 12 + 6 - 14 + 12 = 18 - 14 + 12 = 4 + 12 = 16 \)
34. \( 2 \times 3 + (13 - 12) \times 3 + 4 = 6 + 1 \times 3 + 4 = 6 + 3 + 4 = 9 + 4 = 13 \)
35. \( 2 \times 2 + 14 - 2 \times (7 - 3) - 5 = 4 + 14 - 2 \times 4 - 5 = 18 - 8 - 5 = 10 - 5 = 5 \)
36. \( 11 + 3 \times 3 - (2 + 3) \times 4 = 11 + 9 - 5 \times 4 = 20 - 20 = 0 \)
37. \( 18 - (4 + 1) \times 2 + 7 - 12 = 18 - 5 \times 2 + 7 - 12 = 18 - 10 + 7 - 12 = 8 + 7 - 12 = 15 - 12 = 3 \)
38. \( 1 + (13 - 12) \times 4 + 11 - 6 = 1 + 1 \times 4 + 11 - 6 = 1 + 4 + 11 - 6 = 5 + 11 - 6 = 16 - 6 = 10 \)
39. \( 12 + (1 + 2) \times 2 - 3 \times 3 = 12 + 3 \times 2 - 9 = 12 + 6 - 9 = 18 - 9 = 9 \)
40. \( 10 - 2 \times 4 + (13 - 4) \times 2 = 10 - 8 + 9 \times 2 = 2 + 18 = 20 \)
41. \( 12 + (3 - 2) \times 3 - 11 = 12 + 1 \times 3 - 11 = 12 + 3 - 11 = 15 - 11 = 4 \)
42. \( 16 + 2 \times 2 - (11 - 2) \times 2 = 16 + 4 - 9 \times 2 = 20 - 18 = 2 \)

Ответ: 16, 5, 1, 2, 10, 5, 3, 16, 2, 7, 6, 10, 5, 2, 2, 7, 18, 9, 14, 3, 3, 12, 2, 14, 10, 13, 7, 1, 19, 9, 9, 20, 4, 2.