NOTE: You must start the timer in order to check your answers

   

5 + 5 = 
9 - 7 = 
7 - 7 = 
4 + 4 = 
8 - 3 = 
5 + 3 =  
8 + 2 =
7 - 5 = 
9 + 5 = 
6 - 4 = 

    

 

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