Răspuns :
6*6+++++===========
[tex] x_{123} x^{2} x^{2} x^{2} x^{2} x^{2} [/tex][tex] \geq 8855455[/tex]
[tex] x_{123} x^{2} x^{2} x^{2} x^{2} x^{2} [/tex][tex] \geq 8855455[/tex]