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

6 + 3 = 9

7 + 7 = 14

2 + 1 = 3

4 + 0 = 4

5 + 0 = 5

7 + 6 = 13

6 + 5 = 11

5 + 3 = 8

8 + 4 = 12

7 + 2 = 9

7 + 6 = 13

4 + 3 = 7

9 + 5 = 14

5 + 2 = 7

7 + 5 = 12

9 + 6 = 15

4 + 0 = 4

8 + 6 = 14

7 + 4 = 11

9 + 8 = 17

5 + 1 = 6

2 + 1 = 3

7 + 0 = 7

9 + 1 = 10

9 + 9 = 18

8 + 4 = 12

8 + 1 = 9

9 + 2 = 11

5 + 2 = 7

9 + 1 = 10

1 + 0 = 1

9 + 2 = 11

9 + 1 = 10

6 + 3 = 9

7 + 4 = 11

7 + 2 = 9

8 + 8 = 16

8 + 0 = 8

6 + 1 = 7

7 + 4 = 11

5 + 4 = 9

3 + 2 = 5

7 + 3 = 10

7 + 2 = 9

6 + 3 = 9

6 + 3 = 9

1 + 1 = 2

8 + 5 = 13

5 + 0 = 5

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。