1. A. Represent the following using signed tiles and give the answer:
O:
-1
Remember: A pair of one positive and one negative is equal to zero.
Example: 6 + (-2) = 4
DOO
1.(7) + (5) =
13. (-7)+ (5) =
2. (-7)+(-5) =
4.( 7 ) + (-5) =

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