倒计时:
150秒
剩余: 50题
成绩: 0分
关卡: 1
9 + 2 = 11
9 + 8 = 17
7 + 6 = 13
4 + 3 = 7
7 + 4 = 11
9 + 4 = 13
5 + 4 = 9
6 + 0 = 6
8 + 8 = 16
4 + 3 = 7
9 + 4 = 13
4 + 3 = 7
6 + 6 = 12
7 + 0 = 7
9 + 3 = 12
6 + 6 = 12
9 + 3 = 12
9 + 8 = 17
3 + 2 = 5
4 + 1 = 5
1 + 0 = 1
4 + 0 = 4
9 + 9 = 18
2 + 2 = 4
7 + 2 = 9
9 + 5 = 14
7 + 4 = 11
7 + 2 = 9
7 + 0 = 7
5 + 1 = 6
7 + 3 = 10
7 + 5 = 12
6 + 3 = 9
8 + 1 = 9
8 + 5 = 13
7 + 3 = 10
9 + 6 = 15
9 + 4 = 13
7 + 5 = 12
0 + 0 = 0
3 + 1 = 4
6 + 0 = 6
9 + 9 = 18
7 + 3 = 10
8 + 4 = 12
9 + 0 = 9
9 + 0 = 9
9 + 3 = 12
9 + 5 = 14
9 + 6 = 15
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。