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Subtracting 1 (from 1 through 12)
Type your answer into the textbox to the right of each problem.
10 - 1 = 
8 - 1 = 
4 - 1 = 
11 - 1 = 
3 - 1 = 
5 - 1 = 
7 - 1 = 
1 - 1 = 
9 - 1 = 

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