小提示:刷新当前页面可生成不同练习题。
59 + 2 =
74 + 6 =
89 + 3 =
14 + 7 =
85 + 8 =
48 + 2 =
89 + 5 =
27 + 8 =
64 + 9 =
58 + 5 =
68 + 4 =
36 + 7 =
48 + 5 =
77 + 6 =
69 + 3 =
65 + 6 =
78 + 5 =
18 + 2 =
11 + 9 =
67 + 8 =
49 + 7 =
19 + 4 =
77 + 9 =
48 + 6 =
76 + 7 =
56 + 9 =
66 + 5 =
53 + 9 =
59 + 9 =
76 + 5 =
72 + 8 =
49 + 4 =
62 + 8 =
37 + 5 =
38 + 5 =
48 + 4 =
28 + 5 =
17 + 6 =
74 + 7 =
66 + 9 =
67 + 9 =
85 + 6 =
68 + 3 =
85 + 5 =
88 + 8 =
21 + 9 =
38 + 6 =
76 + 4 =
29 + 3 =
75 + 9 =
35 + 5 =
36 + 9 =
77 + 8 =
75 + 6 =
46 + 4 =
87 + 4 =