算数大闯关

生命：

倒计时: 150秒

剩余: 50题

成绩: 0分

关卡: 1

声音控制

2 + 1 = 3

8 + 5 = 13

9 + 6 = 15

9 + 2 = 11

6 + 4 = 10

2 + 1 = 3

9 + 2 = 11

9 + 4 = 13

9 + 0 = 9

8 + 5 = 13

7 + 7 = 14

8 + 5 = 13

7 + 2 = 9

9 + 8 = 17

6 + 4 = 10

7 + 7 = 14

5 + 0 = 5

3 + 1 = 4

8 + 2 = 10

8 + 1 = 9

7 + 5 = 12

2 + 2 = 4

8 + 7 = 15

7 + 3 = 10

7 + 1 = 8

6 + 5 = 11

7 + 5 = 12

7 + 3 = 10

7 + 3 = 10

6 + 3 = 9

9 + 1 = 10

6 + 4 = 10

9 + 5 = 14

4 + 4 = 8

9 + 3 = 12

6 + 5 = 11

8 + 4 = 12

5 + 2 = 7

2 + 2 = 4

8 + 7 = 15

7 + 5 = 12

7 + 4 = 11

8 + 5 = 13

4 + 2 = 6

3 + 2 = 5

9 + 0 = 9

2 + 0 = 2

8 + 1 = 9

4 + 1 = 5

5 + 1 = 6

通过解答算术题，输入正确的键盘数字来发射子弹，击退来袭的小怪兽。