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