[tex]a = {2}^{23} \div {2}^{21} \div {2}^{1} \\ a = {2}^{2} \div {2}^{1} \\ a = {2}^{1} \\ a = 2 \\ b = {3}^{32} \div {2}^{31} \times {3}^{1} \\ b = {3}^{1} \times {3}^{1} \\ b = {3}^{2} \\ b = 9 \\ \\ 2 \times 9 = 18 \\ {18}^{2} = 324[/tex]
Sper ca e bine!!! Succes!!!
