
乘法分配律是数学中的一个重要概念,它可以帮助我们简化复杂的乘法运算。关于你提到的50道运用乘法分配律的脱式计算练习题,我可以为你提供几道简单的示例。例如:
(2+3)×5 = 2×5 + 3×5
(4-1)×7 = 4×7 - 1×7
6×(8+2) = 6×8 + 6×2
这些题目都是基于乘法分配律的基本应用,通过拆分
乘法分配律是指:对于任何三个数 a、b 和 c,有 a × (b + c) = a × b + a × c。下面我将提供一些简单的练习题,您可以使用乘法分配律来解答。
1. 3 × (4 + 5) = ?
2. 6 × (2 + 3) = ?
3. 5 × (7 + 1) = ?
4. 4 × (8 + 2) = ?
5. 7 × (3 + 6) = ?
6. 9 × (1 + 4) = ?
7. 2 × (5 + 4) = ?
8. 8 × (2 + 4) = ?
9. 10 × (1 + 4) = ?
10. 12 × (3 + 2) = ?
11. 15 × (5 + 2) = ?
12. 18 × (4 + 1) = ?
13. 20 × (6 + 1) = ?
14. 22 × (3 + 4) = ?
15. 25 × (5 + 1) = ?
16. 30 × (2 + 5) = ?
17. 32 × (4 + 2) = ?
18. 35 × (7 + 1) = ?
19. 40 × (4 + 3) = ?
20. 44 × (6 + 2) = ?
21. 50 × (5 + 0) = ?
22. 55 × (7 + 0) = ?
23. 60 × (6 + 0) = ?
24. 65 × (6 + 1) = ?
25. 70 × (7 + 0) = ?
26. 75 × (5 + 2) = ?
27. 80 × (8 + 0) = ?
28. 85 × (8 + 1) = ?
29. 90 × (9 + 0) = ?
30. 95 × (9 + 1) = ?
31. 100 × (10 + 0) = ?
32. 105 × (10 + 1) = ?
33. 110 × (11 + 0) = ?
34. 115 × (11 + 1) = ?
35. 120 × (12 + 0) = ?
36. 125 × (12 + 2) = ?
37. 130 × (13 + 0) = ?
38. 135 × (13 + 1) = ?
39. 140 × (14 + 0) = ?
40. 145 × (14 + 1) = ?
41. 150 × (15 + 0) = ?
42. 155 × (15 + 1) = ?
43. 160 × (16 + 0) = ?
44. 165 × (16 + 1) = ?
45. 170 × (17 + 0) = ?
46. 175 × (17 + 1) = ?
47. 180 × (18 + 0) = ?
48. 185 × (18 + 1) = ?
49. 190 × (19 + 0) = ?
50. 195 × (19 + 1) = ?
请使用乘法分配律来计算上述每个等式的结果。这些练习题旨在帮助您理解和运用乘法分配律在实际计算中的应用。
