Răspuns:
[tex]( \frac{3}{5} ) \times (( \frac{3}{5} ) {}^{ - 2} ) {}^{ - 3} ) \div (( \frac{3}{5} ) {}^{ - 5} ) {}^{ - 2} [/tex]
[tex] = ( \frac{3}{5} ) {}^{3} \times ( \frac{3}{5} ) {}^{6} \div ( \frac{3}{5} ) {}^{10} = [/tex]
[tex]( \frac{3}{5} ) {}^{ - 1} = (\frac{3}{5} )[/tex]
