Răspuns:
[tex] {243}^{8} = ( {3}^{5} )^{8} = {3}^{40} [/tex]
[tex] {9}^{3} = ( {3}^{2} )^{3} = {3}^{6} [/tex]
[tex] {27}^{4} = ( {3}^{3} )^{4} = {3}^{12} [/tex]
[tex] {3}^{40} \times {3}^{6} \div {3}^{6} \div {3}^{12} = {3}^{40 + 6 - 6 - 12} = {3}^{28} [/tex]
