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13-01-2015
Mathematics

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Find the product of 20x9x5. Tell which property you used

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Аноним Аноним

19-01-2015

[tex]20\times9\times5\\\\Use\ Commutative\ property\ a\times b=b\times a\\\\20\times5\times9=(20\times5)\times9=100\times9=\boxed{900}[/tex]

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