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103 + 21 = _ + 103 please help
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103 + 21 = _ + 103 please help

User Koder
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103 + 21 = Unknown + 103


Unknown = 21


21+103
User Mike Webb
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This is the commutative property of addition. It basically says, x+y=y+x.
To answer your question, 103+21=21+103
User Dan Leveille
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