Răspuns:
[tex]90 = 2 \times {3}^{2} \times 5[/tex]
[tex]54 = 2 \times {3}^{3} [/tex]
[tex]cmmdc = 2 \times {3}^{2} = 18[/tex]
[tex] {2}^{90} = ( {2}^{5} )^{18} = {32}^{18} [/tex]
[tex] {3}^{54} = ( {3}^{3} )^{18} = {27}^{18} [/tex]
[tex] = > {2}^{90} > {3}^{54} [/tex]
