在数学学习中，四则混合运算是基础且重要的内容之一。它包括加法、减法、乘法和除法的综合运用，是培养逻辑思维和计算能力的关键环节。为了帮助学生更好地掌握这一知识点，下面整理了100道四则混合运算练习题，涵盖不同难度层次，适合小学高年级及初中阶段的学生进行练习。
一、练习题精选（共100道）
1. 25 + 3 × 4 =
2. 18 ÷ 3 + 7 =
3. 9 × (5 - 2) =
4. 12 + 6 × 2 =
5. 40 ÷ 5 + 3 =
6. 8 × (7 - 3) =
7. 15 + 2 × 6 =
8. 24 ÷ 6 + 9 =
9. 10 × (4 + 1) =
10. 16 ÷ 4 + 5 =
11. 3 × 7 + 2 =
12. 12 + 8 ÷ 2 =
13. 6 × (9 - 5) =
14. 10 + 3 × 5 =
15. 20 ÷ 4 + 6 =
16. 7 × (6 - 2) =
17. 14 + 5 × 3 =
18. 18 ÷ 3 + 8 =
19. 5 × (8 - 4) =
20. 11 + 9 ÷ 3 =
21. 12 × 2 - 5 =
22. 27 ÷ 9 + 4 =
23. 10 × (3 + 2) =
24. 16 + 4 × 3 =
25. 15 ÷ 5 + 9 =
26. 6 × (7 - 4) =
27. 13 + 2 × 7 =
28. 24 ÷ 6 + 10 =
29. 8 × (5 - 2) =
30. 12 + 6 ÷ 2 =
31. 9 × 4 - 7 =
32. 18 ÷ 2 + 5 =
33. 11 × (3 + 1) =
34. 17 + 3 × 4 =
35. 20 ÷ 5 + 7 =
36. 7 × (6 - 3) =
37. 15 + 4 × 2 =
38. 25 ÷ 5 + 6 =
39. 9 × (4 + 1) =
40. 14 + 6 ÷ 3 =
41. 10 × 5 - 8 =
42. 21 ÷ 7 + 9 =
43. 12 × (2 + 1) =
44. 19 + 3 × 2 =
45. 24 ÷ 6 + 7 =
46. 8 × (5 - 1) =
47. 16 + 5 × 2 =
48. 12 ÷ 4 + 10 =
49. 7 × (6 + 1) =
50. 13 + 8 ÷ 4 =
51. 14 × 3 - 9 =
52. 20 ÷ 4 + 8 =
53. 11 × (2 + 3) =
54. 18 + 4 × 3 =
55. 25 ÷ 5 + 10 =
56. 6 × (7 - 2) =
57. 17 + 2 × 5 =
58. 16 ÷ 8 + 9 =
59. 9 × (3 + 2) =
60. 12 + 9 ÷ 3 =
61. 10 × 6 - 7 =
62. 27 ÷ 9 + 5 =
63. 13 × (4 - 1) =
64. 15 + 3 × 4 =
65. 18 ÷ 6 + 10 =
66. 8 × (5 + 1) =
67. 14 + 6 × 2 =
68. 24 ÷ 8 + 7 =
69. 7 × (4 + 2) =
70. 11 + 9 ÷ 3 =
71. 12 × 4 - 10 =
72. 20 ÷ 5 + 9 =
73. 10 × (5 - 2) =
74. 19 + 2 × 3 =
75. 25 ÷ 5 + 8 =
76. 9 × (6 - 3) =
77. 16 + 5 × 2 =
78. 12 ÷ 6 + 11 =
79. 8 × (4 + 1) =
80. 13 + 7 ÷ 7 =
81. 11 × 3 - 5 =
82. 24 ÷ 6 + 9 =
83. 14 × (2 + 1) =
84. 17 + 4 × 2 =
85. 18 ÷ 3 + 10 =
86. 7 × (5 + 2) =
87. 15 + 6 × 2 =
88. 20 ÷ 4 + 7 =
89. 9 × (3 + 1) =
90. 12 + 8 ÷ 4 =
91. 10 × 7 - 6 =
92. 27 ÷ 9 + 6 =
93. 12 × (3 - 1) =
94. 16 + 3 × 5 =
95. 25 ÷ 5 + 7 =
96. 8 × (6 - 2) =
97. 14 + 4 × 3 =
98. 18 ÷ 6 + 10 =
99. 7 × (5 + 1) =
100. 11 + 10 ÷ 5 =
二、练习建议
- 初学者：建议从前50题开始，逐步提升难度。
- 进阶者：可尝试后50题，加强复杂运算的训练。
- 家长或教师：可以将题目打印出来，作为课后作业或课堂练习使用。
- 自我检测：完成后对照答案，检查错误并总结规律。
三、注意事项
- 计算时注意运算顺序：先乘除，后加减；有括号优先计算括号内的内容。
- 避免粗心错误，如符号误读、数字看错等。
- 多做多练，提高准确率和速度。
通过坚持练习这些四则混合运算题，学生的计算能力将得到显著提升，为今后更复杂的数学学习打下坚实的基础。希望这份练习题能对你的学习有所帮助！
