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

5 + 5 = 10

9 + 4 = 13

4 + 2 = 6

7 + 4 = 11

5 + 3 = 8

4 + 1 = 5

8 + 7 = 15

1 + 0 = 1

7 + 7 = 14

8 + 1 = 9

9 + 0 = 9

9 + 2 = 11

7 + 0 = 7

8 + 4 = 12

5 + 4 = 9

6 + 0 = 6

2 + 0 = 2

9 + 8 = 17

8 + 1 = 9

6 + 0 = 6

7 + 3 = 10

9 + 1 = 10

7 + 5 = 12

2 + 1 = 3

3 + 2 = 5

9 + 7 = 16

7 + 1 = 8

3 + 0 = 3

5 + 0 = 5

4 + 1 = 5

8 + 8 = 16

6 + 3 = 9

7 + 5 = 12

4 + 4 = 8

9 + 3 = 12

5 + 5 = 10

6 + 0 = 6

2 + 1 = 3

5 + 5 = 10

8 + 2 = 10

5 + 2 = 7

3 + 1 = 4

4 + 2 = 6

5 + 4 = 9

4 + 4 = 8

9 + 1 = 10

4 + 1 = 5

1 + 1 = 2

5 + 2 = 7

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。