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OpenStudy (anonymous):
What are these properties of addition called? 1. 2+3 = 3+2 2. 7 = 0+7 3. 5 + (-5) = 0 This was a question on my daughters homework and I don't remember this from school! Please help, thank you!
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OpenStudy (jennychan12):
1. Commutative Property 2. additive identity property (zero property) 3. additive inverse property
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