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Salut!
[tex] \color{blue} \: {8}^{2} + {15}^{2} = {17}^{2} \\ \color{blue}64 + 225 = 289 \\ \color{blue}289 = 289 = = > sunt \: numere \: pitagoreice[/tex]
[tex] \color{purple} {10}^{2} + {7}^{2} = {13}^{2} \\ \color{purple}100 + 49 = 169 \\ \color{purple}149 \ne \: 169 = = > nu \: sunt \: numere \: pitagoreice[/tex]
[tex] \color{green} {7}^{2} + 9 {}^{2} = 11 {}^{2} \\ \color{green}49 + 81 = 121 \\ \color{green}130 \ne121 = = > nu \: sunt \: numere \: pitagoreice[/tex]