【40道脱式计算带答案四年级上册】在小学数学学习中，脱式计算是培养孩子逻辑思维和运算能力的重要方式。四年级的学生正处于数学基础巩固的关键阶段，掌握好脱式计算的步骤和方法，有助于提高他们的计算准确率和解题效率。
为了帮助学生更好地练习和复习，本文整理了40道适合四年级上册的脱式计算题，并附有详细解答，方便学生自主练习与家长辅导使用。
一、脱式计算题汇总（共40题）
| 题号 | 题目 | 脱式计算过程 | 答案 |
| 1 | 25 + 37 - 18 | 25 + 37 = 62；62 - 18 = 44 | 44 |
| 2 | 12 × 3 + 15 | 12 × 3 = 36；36 + 15 = 51 | 51 |
| 3 | 48 ÷ 6 + 9 | 48 ÷ 6 = 8；8 + 9 = 17 | 17 |
| 4 | 15 × (2 + 3) | 2 + 3 = 5；15 × 5 = 75 | 75 |
| 5 | 60 - 24 ÷ 4 | 24 ÷ 4 = 6；60 - 6 = 54 | 54 |
| 6 | 8 × 7 - 20 | 8 × 7 = 56；56 - 20 = 36 | 36 |
| 7 | 30 ÷ 5 + 12 | 30 ÷ 5 = 6；6 + 12 = 18 | 18 |
| 8 | 100 - 45 - 25 | 100 - 45 = 55；55 - 25 = 30 | 30 |
| 9 | 9 × 6 + 11 | 9 × 6 = 54；54 + 11 = 65 | 65 |
| 10 | 72 ÷ 8 + 10 | 72 ÷ 8 = 9；9 + 10 = 19 | 19 |
| 11 | 12 + 18 × 2 | 18 × 2 = 36；12 + 36 = 48 | 48 |
| 12 | 20 × 4 - 30 | 20 × 4 = 80；80 - 30 = 50 | 50 |
| 13 | 56 ÷ 7 + 13 | 56 ÷ 7 = 8；8 + 13 = 21 | 21 |
| 14 | 16 + 24 ÷ 6 | 24 ÷ 6 = 4；16 + 4 = 20 | 20 |
| 15 | 10 × (5 + 2) | 5 + 2 = 7；10 × 7 = 70 | 70 |
| 16 | 80 - 35 - 15 | 80 - 35 = 45；45 - 15 = 30 | 30 |
| 17 | 7 × 8 + 12 | 7 × 8 = 56；56 + 12 = 68 | 68 |
| 18 | 40 ÷ 5 + 15 | 40 ÷ 5 = 8；8 + 15 = 23 | 23 |
| 19 | 32 + 16 × 2 | 16 × 2 = 32；32 + 32 = 64 | 64 |
| 20 | 63 ÷ 9 + 11 | 63 ÷ 9 = 7；7 + 11 = 18 | 18 |
| 21 | 18 × 3 - 20 | 18 × 3 = 54；54 - 20 = 34 | 34 |
| 22 | 45 ÷ 5 + 10 | 45 ÷ 5 = 9；9 + 10 = 19 | 19 |
| 23 | 15 + 25 × 2 | 25 × 2 = 50；15 + 50 = 65 | 65 |
| 24 | 24 × 3 - 18 | 24 × 3 = 72；72 - 18 = 54 | 54 |
| 25 | 50 - 12 ÷ 3 | 12 ÷ 3 = 4；50 - 4 = 46 | 46 |
| 26 | 10 × 5 + 15 | 10 × 5 = 50；50 + 15 = 65 | 65 |
| 27 | 36 ÷ 6 + 12 | 36 ÷ 6 = 6；6 + 12 = 18 | 18 |
| 28 | 12 + 18 ÷ 3 | 18 ÷ 3 = 6；12 + 6 = 18 | 18 |
| 29 | 14 × 2 + 10 | 14 × 2 = 28；28 + 10 = 38 | 38 |
| 30 | 70 - 25 - 15 | 70 - 25 = 45；45 - 15 = 30 | 30 |
| 31 | 9 × 7 - 25 | 9 × 7 = 63；63 - 25 = 38 | 38 |
| 32 | 48 ÷ 6 + 14 | 48 ÷ 6 = 8；8 + 14 = 22 | 22 |
| 33 | 16 × 3 + 12 | 16 × 3 = 48；48 + 12 = 60 | 60 |
| 34 | 55 ÷ 5 + 10 | 55 ÷ 5 = 11；11 + 10 = 21 | 21 |
| 35 | 20 + 15 × 2 | 15 × 2 = 30；20 + 30 = 50 | 50 |
| 36 | 30 × 2 - 20 | 30 × 2 = 60；60 - 20 = 40 | 40 |
| 37 | 64 ÷ 8 + 13 | 64 ÷ 8 = 8；8 + 13 = 21 | 21 |
| 38 | 17 + 13 × 2 | 13 × 2 = 26；17 + 26 = 43 | 43 |
| 39 | 25 × 2 + 10 | 25 × 2 = 50；50 + 10 = 60 | 60 |
| 40 | 75 ÷ 5 + 12 | 75 ÷ 5 = 15；15 + 12 = 27 | 27 |
二、总结
通过这40道脱式计算题，学生可以逐步掌握加减乘除的运算顺序，尤其是带有括号的题目，能有效提升逻辑思维能力和计算准确性。建议学生在做题时先理清运算顺序，再分步进行计算，避免出现因顺序错误导致的错误。
此外，家长或老师可以在学生完成练习后，对照表格中的答案进行检查，及时纠正错误，帮助孩子建立良好的数学习惯。希望这份练习资料对广大学生有所帮助！
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