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Mathematics 4 Online
OpenStudy (anonymous):

If A ⊂ B, then

OpenStudy (anonymous):

what?

OpenStudy (anonymous):

A ∩ B = B A ∪ B = B A ∩ B = ∅

OpenStudy (anonymous):

them are the answers

OpenStudy (anonymous):

b?

OpenStudy (sparrow2):

yes

OpenStudy (anonymous):

thankyous

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