Răspuns :
[tex]2 \times 2 ^ { 39 } \times 9 ^ { 20 } - 3 \times 4 ^ { 20 } \times 3 ^ { 39 }[/tex]
[tex]2^{40}\times 9^{20}-3\times 4^{20}\times 3^{39} [/tex]
[tex]2^{40}\times 9^{20}-3^{40}\times 4^{20} [/tex]
[tex]1099511627776\times 9^{20}-3^{40}\times 4^{20} [/tex]
[tex]1099511627776\times 12157665459056928801-3^{40}\times 4^{20} [/tex]
[tex]13367494538843734067838845976576-3^{40}\times 4^{20} [/tex]
[tex]13367494538843734067838845976576-12157665459056928801\times 4^{20} [/tex]
[tex]13367494538843734067838845976576-12157665459056928801\times 1099511627776 [/tex]
[tex]13367494538843734067838845976576-13367494538843734067838845976576 [/tex]
[tex]raspuns = 0[/tex]
Sper ca ti-am fost de folos. Succes!!!