小学数学计算题涵盖了多个方面，包括加法、减法、乘法、除法、混合运算等。以下是一些具体的计算题示例：
加法口算题
3 + 6 = 9
26 - 9 = 17
40 + 95 = 135
23 + 45 = 68
33 + 16 = 49
45 + 79 = 124
39 + 25 = 64
23 + 46 = 69
12 + 76 = 88
55 + 18 = 73
23 + 65 = 88
40 + 26 = 66
28 + 58 = 86
37 + 49 = 86
18 + 68 = 86
73 + 13 = 86
减法口算题
46 - 4 = 42
49 - 36 = 13
66 - 19 = 47
52 - 34 = 18
86 - 55 = 31
53 - 27 = 26
68 - 43 = 25
46 - 17 = 29
36 - 25 = 11
49 - 44 = 5
乘法口算题
3 × 6 = 18
4 × 9 = 36
5 × 3 = 15
2 × 7 = 14
6 × 8 = 48
4 × 4 = 16
3 × 5 = 15
8 × 2 = 16
7 × 3 = 21
9 × 4 = 36
除法口算题
64 ÷ 8 = 8
48 ÷ 6 = 8
36 ÷ 4 = 9
56 ÷ 7 = 8
24 ÷ 3 = 8
42 ÷ 6 = 7
35 ÷ 5 = 7
28 ÷ 4 = 7
52 ÷ 8 = 6
49 ÷ 7 = 7
混合运算题
23 + 45 - 18 = 50
46 - 36 + 20 = 30
3 × 4 + 5 = 17
6 × 9 - 24 = 30
（23 + 45） × 2 = 136
40 - （36 - 20） = 24
这些题目涵盖了不同年级和难度的计算题，适合用于日常练习和巩固基础知识。建议学生从基础开始，逐步增加难度，以提高计算能力和解题技巧。