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 whats 9 - 10

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whats 9 - 10

 Jun 18, 2015

Best Answer 

 #1
avatar+118696 
+5

9-10=-1

because

9-10 = 9-9-1 = 0-1 = -1

 Jun 19, 2015

1+0 Answers

 #1
avatar+118696 
+5
Best Answer

9-10=-1

because

9-10 = 9-9-1 = 0-1 = -1

Melody Jun 19, 2015

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