-----------Info---------------
题目数： 10
题目类型： 加法
题目难度： 20以内
-----------Question---------------
7 + 7 =
6 + 5 =
7 + 9 =
1 + 10 =
18 + 2 =
14 + 3 =
5 + 6 =
4 + 10 =
13 + 3 =
0 + 0 =
-----------Ansewer---------------
7 + 7 = 14
6 + 5 = 11
7 + 9 = 16
1 + 10 = 11
18 + 2 = 20
14 + 3 = 17
5 + 6 = 11
4 + 10 = 14
13 + 3 = 16
0 + 0 = 0
-----------Info---------------
题目数： 10
题目类型： 减法
题目难度： 10以内
-----------Question---------------
6 - 4 =
0 - 0 =
0 - 0 =
8 - 4 =
9 - 7 =
7 - 6 =
4 - 2 =
8 - 6 =
9 - 2 =
8 - 7 =
-----------Ansewer---------------
6 - 4 = 2
0 - 0 = 0
0 - 0 = 0
8 - 4 = 4
9 - 7 = 2
7 - 6 = 1
4 - 2 = 2
8 - 6 = 2
9 - 2 = 7
8 - 7 = 1