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  • 21-08-2015
  • Mathematics
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[tex]11^2 [/tex] + 8 X 3 X 11 + [tex]2^2 [/tex]

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Аноним Аноним
  • 21-08-2015
[tex]11^2+8\times3\times11+2^2\\\\first:\\11^2=11\times11=121\\8\times3=24\\2^2=2\times2=4\\\\=121+24\times11+4\\\\second:\\24\times11=264\\\\=121+264+4=(121+264)+4=385+4=\huge\boxed{389}[/tex]
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