Mental Exercise Generator Lv.1

Let's enjoy mental calculation! [ Levels: 1 2 3 4 5 6 7 8 9 10 ]
Question #1 Question #2 Question #3 Question #4 Question #5
7
2
5
1
6
9
3
2
3
5
3
6
1
6
7
6
-7
7
9
1
2
8
1
6
-7
7
5
3
1
1
5
1
-6
4
6
8
-4
4
8
-2
7
7
9
7
1
5
8
4
3
5

Question #6 Question #7 Question #8 Question #9 Question #10
8
9
5
2
7
5
8
9
8
4
3
9
6
1
-7
6
5
1
4
2
8
9
4
3
-5
-2
8
3
6
-2
8
5
8
8
1
9
3
7
7
9
2
6
5
9
5
8
4
8
3
4

Questions generated: Wed May 16 21:55:10 +0900 2012
Answers are [59, 29, 30, 48, 23, 55, 66, 56, 51, 18]
Reload to get new questions. You can change the difficulty levels: 1 2 3 4 5 6 7 8 9 10
(for iPhone)