【四年级脱式计算题100道】为了帮助四年级学生更好地掌握四则运算的顺序和技巧，以下整理了100道适合该年龄段的脱式计算题。这些题目涵盖了加法、减法、乘法和除法的混合运算，有助于提升学生的计算能力与逻辑思维。
一、总结说明
脱式计算是小学数学中非常重要的一个环节，它要求学生在计算过程中逐步写出每一步的运算过程，而不是直接得出结果。通过这种方式，可以更清晰地看到运算步骤，便于检查错误和理解算理。
本系列题目适用于四年级学生，难度适中，注重基础运算的训练，同时兼顾一定的挑战性，适合课后练习或课堂测试使用。
二、脱式计算题（100道）
| 序号 | 题目 | 脱式计算过程 |
| 1 | 25 + 30 - 15 | 25 + 30 = 55；55 - 15 = 40 |
| 2 | 48 ÷ 6 × 2 | 48 ÷ 6 = 8；8 × 2 = 16 |
| 3 | 12 × (5 + 3) | 5 + 3 = 8；12 × 8 = 96 |
| 4 | 70 - 20 + 10 | 70 - 20 = 50；50 + 10 = 60 |
| 5 | 9 × 3 + 6 | 9 × 3 = 27；27 + 6 = 33 |
| 6 | 64 ÷ 8 + 4 | 64 ÷ 8 = 8；8 + 4 = 12 |
| 7 | 15 + 25 ÷ 5 | 25 ÷ 5 = 5；15 + 5 = 20 |
| 8 | 10 × 4 - 20 | 10 × 4 = 40；40 - 20 = 20 |
| 9 | 30 ÷ (10 - 5) | 10 - 5 = 5；30 ÷ 5 = 6 |
| 10 | 18 + 12 × 2 | 12 × 2 = 24；18 + 24 = 42 |
| 11 | 20 × 3 ÷ 5 | 20 × 3 = 60；60 ÷ 5 = 12 |
| 12 | 50 - 15 × 2 | 15 × 2 = 30；50 - 30 = 20 |
| 13 | 7 × 4 + 10 | 7 × 4 = 28；28 + 10 = 38 |
| 14 | 45 ÷ 9 + 7 | 45 ÷ 9 = 5；5 + 7 = 12 |
| 15 | 16 + 8 ÷ 4 | 8 ÷ 4 = 2；16 + 2 = 18 |
| 16 | 12 × (3 + 2) | 3 + 2 = 5；12 × 5 = 60 |
| 17 | 28 - 10 + 5 | 28 - 10 = 18；18 + 5 = 23 |
| 18 | 100 ÷ 25 × 3 | 100 ÷ 25 = 4；4 × 3 = 12 |
| 19 | 15 × 2 + 10 | 15 × 2 = 30；30 + 10 = 40 |
| 20 | 60 ÷ 10 + 8 | 60 ÷ 10 = 6；6 + 8 = 14 |
| 21 | 14 + 6 × 3 | 6 × 3 = 18；14 + 18 = 32 |
| 22 | 25 × 2 ÷ 5 | 25 × 2 = 50；50 ÷ 5 = 10 |
| 23 | 30 ÷ 5 + 10 | 30 ÷ 5 = 6；6 + 10 = 16 |
| 24 | 12 + 18 ÷ 6 | 18 ÷ 6 = 3；12 + 3 = 15 |
| 25 | 8 × 5 - 10 | 8 × 5 = 40；40 - 10 = 30 |
| 26 | 100 - 20 × 4 | 20 × 4 = 80；100 - 80 = 20 |
| 27 | 7 × (5 - 2) | 5 - 2 = 3；7 × 3 = 21 |
| 28 | 20 + 15 ÷ 5 | 15 ÷ 5 = 3；20 + 3 = 23 |
| 29 | 16 × 3 ÷ 4 | 16 × 3 = 48；48 ÷ 4 = 12 |
| 30 | 40 ÷ 8 + 10 | 40 ÷ 8 = 5；5 + 10 = 15 |
| 31 | 12 + 3 × 4 | 3 × 4 = 12；12 + 12 = 24 |
| 32 | 15 × 4 ÷ 6 | 15 × 4 = 60；60 ÷ 6 = 10 |
| 33 | 20 ÷ (5 - 1) | 5 - 1 = 4；20 ÷ 4 = 5 |
| 34 | 9 × 2 + 12 | 9 × 2 = 18；18 + 12 = 30 |
| 35 | 50 - 25 ÷ 5 | 25 ÷ 5 = 5；50 - 5 = 45 |
| 36 | 10 × 5 - 20 | 10 × 5 = 50；50 - 20 = 30 |
| 37 | 24 ÷ 6 + 10 | 24 ÷ 6 = 4；4 + 10 = 14 |
| 38 | 18 + 12 ÷ 4 | 12 ÷ 4 = 3；18 + 3 = 21 |
| 39 | 14 × 3 ÷ 7 | 14 × 3 = 42；42 ÷ 7 = 6 |
| 40 | 60 ÷ 5 + 5 | 60 ÷ 5 = 12；12 + 5 = 17 |
| 41 | 25 + 10 × 2 | 10 × 2 = 20；25 + 20 = 45 |
| 42 | 16 ÷ 4 × 5 | 16 ÷ 4 = 4；4 × 5 = 20 |
| 43 | 12 × (2 + 3) | 2 + 3 = 5；12 × 5 = 60 |
| 44 | 30 - 15 + 5 | 30 - 15 = 15；15 + 5 = 20 |
| 45 | 8 × 4 + 10 | 8 × 4 = 32；32 + 10 = 42 |
| 46 | 20 ÷ 5 + 15 | 20 ÷ 5 = 4；4 + 15 = 19 |
| 47 | 15 + 20 ÷ 4 | 20 ÷ 4 = 5；15 + 5 = 20 |
| 48 | 10 × 6 ÷ 3 | 10 × 6 = 60；60 ÷ 3 = 20 |
| 49 | 28 ÷ 7 + 10 | 28 ÷ 7 = 4；4 + 10 = 14 |
| 50 | 12 + 8 × 3 | 8 × 3 = 24；12 + 24 = 36 |
| 51 | 30 ÷ 5 × 2 | 30 ÷ 5 = 6；6 × 2 = 12 |
| 52 | 18 - 6 × 2 | 6 × 2 = 12；18 - 12 = 6 |
| 53 | 9 × 3 + 7 | 9 × 3 = 27；27 + 7 = 34 |
| 54 | 40 ÷ 8 + 10 | 40 ÷ 8 = 5；5 + 10 = 15 |
| 55 | 10 + 15 ÷ 5 | 15 ÷ 5 = 3；10 + 3 = 13 |
| 56 | 14 × 2 ÷ 7 | 14 × 2 = 28；28 ÷ 7 = 4 |
| 57 | 25 + 10 ÷ 5 | 10 ÷ 5 = 2；25 + 2 = 27 |
| 58 | 16 ÷ 2 + 10 | 16 ÷ 2 = 8；8 + 10 = 18 |
| 59 | 12 × 5 ÷ 6 | 12 × 5 = 60；60 ÷ 6 = 10 |
| 60 | 50 - 10 × 4 | 10 × 4 = 40；50 - 40 = 10 |
| 61 | 10 × (4 + 2) | 4 + 2 = 6；10 × 6 = 60 |
| 62 | 35 ÷ 5 + 8 | 35 ÷ 5 = 7；7 + 8 = 15 |
| 63 | 20 + 12 ÷ 6 | 12 ÷ 6 = 2；20 + 2 = 22 |
| 64 | 18 ÷ 3 + 10 | 18 ÷ 3 = 6；6 + 10 = 16 |
| 65 | 15 × 3 - 10 | 15 × 3 = 45；45 - 10 = 35 |
| 66 | 24 ÷ 6 × 3 | 24 ÷ 6 = 4；4 × 3 = 12 |
| 67 | 100 ÷ 10 + 5 | 100 ÷ 10 = 10；10 + 5 = 15 |
| 68 | 16 + 4 × 5 | 4 × 5 = 20；16 + 20 = 36 |
| 69 | 20 × 4 ÷ 8 | 20 × 4 = 80；80 ÷ 8 = 10 |
| 70 | 30 - 10 ÷ 2 | 10 ÷ 2 = 5；30 - 5 = 25 |
| 71 | 9 × 4 + 10 | 9 × 4 = 36；36 + 10 = 46 |
| 72 | 12 ÷ 3 + 15 | 12 ÷ 3 = 4；4 + 15 = 19 |
| 73 | 14 + 10 ÷ 5 | 10 ÷ 5 = 2；14 + 2 = 16 |
| 74 | 25 ÷ 5 + 12 | 25 ÷ 5 = 5；5 + 12 = 17 |
| 75 | 10 × 3 - 10 | 10 × 3 = 30；30 - 10 = 20 |
| 76 | 18 ÷ 2 + 10 | 18 ÷ 2 = 9；9 + 10 = 19 |
| 77 | 12 × 4 ÷ 6 | 12 × 4 = 48；48 ÷ 6 = 8 |
| 78 | 40 ÷ 5 + 10 | 40 ÷ 5 = 8；8 + 10 = 18 |
| 79 | 20 + 15 ÷ 5 | 15 ÷ 5 = 3；20 + 3 = 23 |
| 80 | 16 × 3 ÷ 4 | 16 × 3 = 48；48 ÷ 4 = 12 |
| 81 | 25 + 5 × 3 | 5 × 3 = 15；25 + 15 = 40 |
| 82 | 30 ÷ 6 + 10 | 30 ÷ 6 = 5；5 + 10 = 15 |
| 83 | 12 + 6 × 4 | 6 × 4 = 24；12 + 24 = 36 |
| 84 | 10 × 5 ÷ 2 | 10 × 5 = 50；50 ÷ 2 = 25 |
| 85 | 20 - 10 × 1 | 10 × 1 = 10；20 - 10 = 10 |
| 86 | 15 × 2 + 5 | 15 × 2 = 30；30 + 5 = 35 |
| 87 | 24 ÷ 8 + 10 | 24 ÷ 8 = 3；3 + 10 = 13 |
| 88 | 10 + 20 ÷ 5 | 20 ÷ 5 = 4；10 + 4 = 14 |
| 89 | 12 × 5 ÷ 10 | 12 × 5 = 60；60 ÷ 10 = 6 |
| 90 | 30 ÷ 5 × 2 | 30 ÷ 5 = 6；6 × 2 = 12 |
| 91 | 16 + 8 ÷ 4 | 8 ÷ 4 = 2；16 + 2 = 18 |
| 92 | 20 ÷ 4 + 10 | 20 ÷ 4 = 5；5 + 10 = 15 |
| 93 | 14 × 2 + 2 | 14 × 2 = 28；28 + 2 = 30 |
| 94 | 15 ÷ 3 + 10 | 15 ÷ 3 = 5；5 + 10 = 15 |
| 95 | 10 × 6 ÷ 5 | 10 × 6 = 60；60 ÷ 5 = 12 |
| 96 | 25 + 10 ÷ 2 | 10 ÷ 2 = 5；25 + 5 = 30 |
| 97 | 12 ÷ 6 × 10 | 12 ÷ 6 = 2；2 × 10 = 20 |
| 98 | 30 - 15 ÷ 3 | 15 ÷ 3 = 5；30 - 5 = 25 |
| 99 | 8 × 5 + 10 | 8 × 5 = 40；40 + 10 = 50 |
| 100 | 40 ÷ 10 + 10 | 40 ÷ 10 = 4；4 + 10 = 14 |
三、结语
通过这100道脱式计算题的练习，可以帮助学生巩固四则运算的规则，提高计算准确率和速度。建议家长或老师在孩子完成练习后进行检查，及时纠正错误，帮助他们形成良好的数学思维习惯。
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