I heard 9+10 does equal 21but in avandaced Math. Is this true?

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I heard 9+10 does equal 21but in avandaced Math. Is this true?

Guest Feb 6, 2015

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+3693

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no it equals 22... drr.

BrittanyJ Feb 6, 2015

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+3693

+3

Best Answer

no it equals 22... drr.

BrittanyJ Feb 6, 2015

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