32Goldielox 32Goldielox

16-02-2017
Mathematics

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Why is the distributive property appropriate for two-digit multiplication?

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LammettHash LammettHash

16-02-2017

Here's an example:

[tex]25\times93=(20+5)\times(90+3)[/tex]
[tex]25\times93=20\times(90+3)+5\times(90+3)[/tex]
[tex]25\times93=20\times90+20\times3+5\times90+5\times3[/tex]
[tex]25\times93=1800+60+450+15[/tex]
[tex]25\times93=2325[/tex]

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