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anonymous
 one year ago
What number replaces the ∆?
5 = 5
5 + 2 = 5 + ∆
anonymous
 one year ago
What number replaces the ∆? 5 = 5 5 + 2 = 5 + ∆

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horsegirl27
 one year ago
Best ResponseYou've already chosen the best response.1Well, do you know what property this is showing?

horsegirl27
 one year ago
Best ResponseYou've already chosen the best response.1Actually, we should start with, do you know your math properties?

horsegirl27
 one year ago
Best ResponseYou've already chosen the best response.1This is showing commutative property. That means it doesn't matter what order the numbers are written in. ex. a+b=b+a or 1+2=2+1

horsegirl27
 one year ago
Best ResponseYou've already chosen the best response.1That should help you figure out what number replaces the ∆ :)

horsegirl27
 one year ago
Best ResponseYou've already chosen the best response.1You figure it out? :P
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