小提示:刷新当前页面可生成不同练习题。
41 + 39 =
56 - 9 =
39 + 56 =
55 + 16 =
41 + 17 =
14 + 15 =
30 - 12 =
4 × 1 =
70 + 22 =
5 × 8 =
5 × 2 =
85 - 81 =
10 + 63 =
7 × 9 =
83 - 10 =
43 + 37 =
58 + 9 =
83 - 76 =
58 - 10 =
25 + 45 =
67 - 23 =
20 - 6 =
3 × 4 =
50 + 50 =
35 + 42 =
57 - 18 =
54 - 19 =
79 - 61 =
10 + 66 =
2 × 9 =
50 + 37 =
44 + 50 =
54 + 24 =
82 - 3 =
33 - 11 =
20 + 55 =
33 - 16 =
80 - 22 =
13 + 61 =
89 - 44 =
41 - 19 =
67 - 35 =
79 - 29 =
37 - 25 =
5 × 9 =
19 + 77 =
9 × 5 =
23 + 13 =
25 + 62 =
23 - 18 =
52 + 26 =
67 + 2 =
97 - 55 =
24 + 36 =
34 + 29 =
24 + 53 =