Răspuns :
Răspuns: [tex]\bf \red{\underline{~3^{21}}}[/tex]
Explicație pas cu pas:
[tex]\bf \Big(3^{5} \Big)^9:27^{8} = 3^{5\cdot9}:\big(3^{3} \big)^{8} =[/tex]
[tex]\bf 3^{45}:3^{3\cdot8} =3^{45}:3^{24} =[/tex]
[tex]\bf 3^{45}:3^{24} =3^{45-24} = \red{\underline{~3^{21}}}[/tex]