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SUBTRACTION FACTS
INSTRUCTIONS Just place your mouse over a topic below.

TIMER INSTRUCTIONS
How to Check your Score
Hints
HELP
ABOUT THE BRAIN

Welcome To Internet Math
To get instructions simply place your mouse curser over any of the topics and the Brain will give you its comments on the subject. HAVE FUN !



4
- 4
 1
- 0
 8
- 2
 4
- 2
 6
- 4
 4
- 3
 9
- 5
 7
- 2
 3
- 0
 5
- 5
5
- 1
 9
- 8
 5
- 4
 8
- 3
 9
- 2
 3
- 1
 5
- 1
 6
- 0
 8
- 5
 2
- 0
6
- 3
 8
- 8
 7
- 1
 8
- 7
 9
- 7
 3
- 2
 8
- 6
 7
- 2
 5
- 1
 9
- 3
7
- 4
3
- 0
 7
- 7
 9
- 1
 1
- 0
 8
- 7
 4
- 2
 6
- 2
 2
- 0
 4
- 1
9
- 8
 6
- 1
 3
- 1
 7
- 0
 8
- 3
 5
- 3
 3
- 3
 6
- 2
 7
- 0
 4
- 2
8
- 6
 6
- 5
 5
- 5
 9
- 3
 0
- 0
 5
- 0
 7
- 5
 4
- 1
 6
- 3
 8
- 1
3
- 2
 8
- 0
 2
- 1
 7
- 7
 9
- 4
 9
- 6
 6
- 4
 9
- 0
 7
- 1
 9
- 5
8
- 0
 6
- 1
 3
- 1
 7
- 5
 8
- 6
 9
- 2
 8
- 3
 8
- 5
 9
- 0
 6
- 0
5
- 4
 2
- 2
 9
- 6
 7
- 4
 8
- 4
 7
- 3
 4
- 4
 5
- 4
 6
- 6
 7
- 3
9
- 5
 8
- 2
 7
- 6
 9
- 2
 8
- 6
 8
- 0
 6
- 1
 3
- 1
 7
- 5
 8
- 6

Score = Time =