cmcclure2008 cmcclure2008

07-11-2014
Mathematics

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13(10b+10)+5(b+2) solve

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ollieboyne ollieboyne

07-11-2014

[tex]13(10b+10)+5(b+2) \\=130b+130+5b+10 \\=135b+140[/tex]

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Аноним Аноним

07-11-2014

[tex] 13(10b+10)+5(b+2)\\=13(10b)+13(10)+5(b)+5(2)\\=130b+130+5b+10\\=(130b+5b)+(130+10)\\=\boxed{135b+140}[/tex]

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