在小学数学的学习过程中，脱式计算是一项非常重要的技能。它不仅能够帮助学生巩固四则运算的基础知识，还能培养他们的逻辑思维能力和解决问题的能力。为了帮助五年级的学生更好地掌握这一技能，下面整理了35道脱式计算练习题，并附有详细的答案解析。
以下是练习题的具体
1. 12 + (3 × 4) - 6 =
2. 8 × (7 - 3) ÷ 2 =
3. 20 ÷ (5 + 3) × 2 =
4. 9 × (6 - 2) + 10 =
5. 15 ÷ 3 × (4 + 2) =
6. 7 × (8 - 3) ÷ 5 =
7. 24 ÷ (6 + 2) × 3 =
8. 5 × (9 - 4) + 12 =
9. 18 ÷ 3 × (5 + 3) =
10. 6 × (7 - 2) ÷ 3 =
11. 14 + (5 × 3) - 7 =
12. 10 × (8 - 4) ÷ 2 =
13. 25 ÷ (5 + 2) × 3 =
14. 8 × (6 - 3) + 15 =
15. 21 ÷ 3 × (4 + 2) =
16. 4 × (7 - 2) ÷ 2 =
17. 16 + (6 × 2) - 8 =
18. 9 × (5 - 3) ÷ 3 =
19. 27 ÷ (3 + 2) × 4 =
20. 7 × (8 - 4) + 10 =
21. 12 ÷ 4 × (3 + 3) =
22. 5 × (6 - 2) ÷ 2 =
23. 18 + (4 × 5) - 10 =
24. 10 × (7 - 3) ÷ 2 =
25. 24 ÷ (4 + 2) × 4 =
26. 6 × (8 - 4) + 12 =
27. 15 ÷ 5 × (2 + 3) =
28. 3 × (9 - 4) ÷ 3 =
29. 20 ÷ (4 + 2) × 5 =
30. 8 × (7 - 2) ÷ 4 =
31. 14 + (5 × 4) - 6 =
32. 12 × (6 - 3) ÷ 3 =
33. 25 ÷ (5 + 3) × 2 =
34. 7 × (8 - 2) + 15 =
35. 18 ÷ 3 × (4 + 2) =
接下来是每道题的答案解析：
1. 12 + (3 × 4) - 6 = 12 + 12 - 6 = 18
2. 8 × (7 - 3) ÷ 2 = 8 × 4 ÷ 2 = 16
3. 20 ÷ (5 + 3) × 2 = 20 ÷ 8 × 2 = 5
4. 9 × (6 - 2) + 10 = 9 × 4 + 10 = 46
5. 15 ÷ 3 × (4 + 2) = 5 × 6 = 30
6. 7 × (8 - 3) ÷ 5 = 7 × 5 ÷ 5 = 7
7. 24 ÷ (6 + 2) × 3 = 24 ÷ 8 × 3 = 9
8. 5 × (9 - 4) + 12 = 5 × 5 + 12 = 37
9. 18 ÷ 3 × (5 + 3) = 6 × 8 = 48
10. 6 × (7 - 2) ÷ 3 = 6 × 5 ÷ 3 = 10
11. 14 + (5 × 3) - 7 = 14 + 15 - 7 = 22
12. 10 × (8 - 4) ÷ 2 = 10 × 4 ÷ 2 = 20
13. 25 ÷ (5 + 2) × 3 = 25 ÷ 7 × 3 ≈ 10.71
14. 8 × (6 - 3) + 15 = 8 × 3 + 15 = 39
15. 21 ÷ 3 × (4 + 2) = 7 × 6 = 42
16. 4 × (7 - 2) ÷ 2 = 4 × 5 ÷ 2 = 10
17. 16 + (6 × 2) - 8 = 16 + 12 - 8 = 20
18. 9 × (5 - 3) ÷ 3 = 9 × 2 ÷ 3 = 6
19. 27 ÷ (3 + 2) × 4 = 27 ÷ 5 × 4 = 21.6
20. 7 × (8 - 4) + 10 = 7 × 4 + 10 = 38
21. 12 ÷ 4 × (3 + 3) = 3 × 6 = 18
22. 5 × (6 - 2) ÷ 2 = 5 × 4 ÷ 2 = 10
23. 18 + (4 × 5) - 10 = 18 + 20 - 10 = 28
24. 10 × (7 - 3) ÷ 2 = 10 × 4 ÷ 2 = 20
25. 24 ÷ (4 + 2) × 4 = 24 ÷ 6 × 4 = 16
26. 6 × (8 - 4) + 12 = 6 × 4 + 12 = 36
27. 15 ÷ 5 × (2 + 3) = 3 × 5 = 15
28. 3 × (9 - 4) ÷ 3 = 3 × 5 ÷ 3 = 5
29. 20 ÷ (4 + 2) × 5 = 20 ÷ 6 × 5 ≈ 16.67
30. 8 × (7 - 2) ÷ 4 = 8 × 5 ÷ 4 = 10
31. 14 + (5 × 4) - 6 = 14 + 20 - 6 = 28
32. 12 × (6 - 3) ÷ 3 = 12 × 3 ÷ 3 = 12
33. 25 ÷ (5 + 3) × 2 = 25 ÷ 8 × 2 = 6.25
34. 7 × (8 - 2) + 15 = 7 × 6 + 15 = 57
35. 18 ÷ 3 × (4 + 2) = 6 × 6 = 36
希望这些题目和答案能帮助学生们更好地理解和掌握脱式计算的方法。通过反复练习，相信他们会在数学学习中取得更大的进步！
