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Calculati 8*111^3-222^3

Răspuns :

 

[tex]\displaystyle\bf\\8\times111^3-222^3=\\\\=2^3\times111^3-222^3=\\\\=\Big(2\times111\Big)^3-222^3=\\\\=222^3-222^3=\boxed{\bf0}[/tex]