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

7 + 2 = 9

2 + 2 = 4

6 + 2 = 8

5 + 4 = 9

5 + 4 = 9

6 + 2 = 8

4 + 1 = 5

9 + 0 = 9

8 + 1 = 9

6 + 2 = 8

6 + 6 = 12

5 + 4 = 9

3 + 0 = 3

4 + 3 = 7

6 + 3 = 9

3 + 2 = 5

5 + 4 = 9

4 + 1 = 5

2 + 0 = 2

7 + 7 = 14

2 + 1 = 3

2 + 2 = 4

3 + 0 = 3

5 + 1 = 6

4 + 3 = 7

7 + 3 = 10

8 + 7 = 15

9 + 8 = 17

7 + 6 = 13

3 + 0 = 3

6 + 2 = 8

3 + 2 = 5

9 + 7 = 16

6 + 2 = 8

2 + 0 = 2

9 + 7 = 16

8 + 0 = 8

7 + 0 = 7

7 + 4 = 11

6 + 0 = 6

9 + 1 = 10

7 + 6 = 13

2 + 2 = 4

8 + 0 = 8

9 + 7 = 16

7 + 7 = 14

9 + 3 = 12

8 + 5 = 13

9 + 8 = 17

6 + 6 = 12

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。