小提示:刷新当前页面可生成不同练习题。
61 + 27 =
35 + 64 =
46 + 17 =
22 + 49 =
31 + 56 =
42 + 50 =
88 + 10 =
58 + 25 =
12 + 56 =
73 + 19 =
15 + 82 =
45 + 26 =
21 + 46 =
39 + 21 =
49 + 12 =
18 + 23 =
40 + 37 =
39 + 46 =
13 + 19 =
10 + 77 =
56 + 38 =
70 + 18 =
40 + 24 =
37 + 17 =
21 + 33 =
47 + 21 =
36 + 23 =
53 + 34 =
33 + 62 =
34 + 59 =
53 + 37 =
20 + 78 =
52 + 14 =
25 + 12 =
54 + 10 =
22 + 44 =
18 + 54 =
17 + 52 =
18 + 20 =
19 + 18 =
18 + 65 =
16 + 12 =
25 + 63 =
44 + 38 =
68 + 28 =
28 + 50 =
18 + 45 =
42 + 33 =
24 + 52 =
15 + 43 =
10 + 86 =
23 + 14 =
65 + 27 =
32 + 45 =
67 + 28 =
58 + 20 =