Question: Let one white tile represent + 1 and one black tile represent - 1 . What sum 4 poir does this set of tiles model?

Let one white tile represent +1 and one black tile represent -1. What sum 4 poir does this set of tiles model? Write the addition equation. (+4)+(+3)=+3(-4)+(+3)=-1(+3)+(+4)=+7

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