23-08-2016
Mathematics

contestada

103 + 21 = _ + 103 please help

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Аноним Аноним

23-08-2016

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

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Аноним Аноним

23-08-2016

[tex]103 + 21 = Unknown + 103[/tex]

[tex]Unknown = 21[/tex]

[tex]21+103[/tex]

Answer Link

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