[tex]15 \times 15 \times 15 = {5}^{3 } \\ 121 \times 121 \times 121 \times 121= {121}^{4} \\ 90 \times 90 = {90}^{2} \\ {4}^{3} \times {5}^{3 } = 64 \times 125 = 800 \\ {4}^{3} \times {25}^{3} = 64 \times 15625[/tex]
Asa se fac si calculezi si tu 90x90 si 121x121x121x121 si 15x15x15
