Răspuns :
[tex]a)( \frac{3}{2} ) {}^{5 + 7} =( \frac{3}{2} ) {}^{12} \\ b)( \frac{4}{10} ) {}^{3 + 5} = ( \frac{4}{10} ) {}^{8} \\ c)(2 \frac{9}{7} ) {}^{3 + 15} = (2 \frac{9}{7} ) {}^{18} \\ [/tex]
[tex]a)( \frac{3}{2} ) {}^{5 + 7} =( \frac{3}{2} ) {}^{12} \\ b)( \frac{4}{10} ) {}^{3 + 5} = ( \frac{4}{10} ) {}^{8} \\ c)(2 \frac{9}{7} ) {}^{3 + 15} = (2 \frac{9}{7} ) {}^{18} \\ [/tex]