以下是一些小学二年级下册的数学口算题，共计100题，涵盖了加减乘除的基本运算：
24 ÷ 4 = 6
7 + 63 = 70
9 × 4 = 36
36 ÷ 6 = 6
9 × 7 = 63
56 ÷ 8 = 7
28 + 6 = 34
7 × 5 = 35
36 + 4 = 40
30 ÷ 5 = 6
63 ÷ 9 = 7
64 ÷ 8 = 8
38 + 16 = 54
45 ÷ 5 = 9
7 ÷ 1 = 7
25 + 23 = 48
12 + 35 = 47
27 + 71 = 98
46 + 33 = 79
40 ÷ 8 = 5
21 + 15 = 36
36 + 22 = 58
59 + 18 = 77
72 + 24 = 96
41 - 29 = 12
44 - 9 = 35
72 + 16 = 88
43 + 32 = 75
35 - 8 = 27
56 ÷ 7 = 8
8 × 2 = 16
7 + 56 = 63
56 ÷ 7 = 8
12 ÷ 6 = 2
4 × 2 = 8
21 - 7 = 14
7 × 3 = 21
8 ÷ 8 = 1
32 ÷ 4 = 8
80 - 9 = 71
( ) × 6 = 30
42 ÷ 7 = 6
35 - 6 = 29
28 ÷ 7 = ( )
( ) × 8 = 48
21 ÷ 3 = 7
36 ÷ 4 = 9
18 ÷ 2 = 9
63 ÷ 7 = 9
9 × 6 = 54
9 × 9 = 81
46 + 10 = 56
65 + 40 = 105
81 ÷ 9 = 9
55 - 20 = 35
9 + 46 = 55
9 ÷ 3 = 3
9 ÷ 9 = 1
58 + 32 = 90
80 - 28 = 52
33 + 60 = 93
54 ÷ 6 = 9
40 ÷ 8 = 5
( ) × 4 = 20
61 - 13 = 48
15 ÷ 5 = 3
9 × 3 = 27
42 - 15 = 27
18 ÷ 9 = 2
180 - 60 = 120
72 - 40 = 32
47 + 8 = 55
14 + 85 = 99
61 + 27 = 88
170 + 20 = 190
5 × 9 = 45
7 × 7 = 49
73 + 16 = 89
60 + 300 = 360
10 ÷ 5 = 2
83 - 29 = 54
5 × 6 = 30
43 - 17 = 26
21 + 27 = 48
32 ÷ 8 = 4
30 ÷ 6 = 5
36 ÷ 4 = 9
64 ÷ 8 = 8
5 ÷ 1 = 5
15 ÷ 3 = 5
16 ÷ 8 = 2
42 ÷ 6 = 7
400 + 50 = 450
38 + 26 = 64
93 - 8 = 85
49 ÷ 7 = 7
6 × 9 = 54
56 - 30 = 26
35 ÷ 5 = 7
27 + 25 = 52