Ushtrimi 13

Paraqitni më thjesht shprehjet e mëposhtme.

a) $\frac{5}{x + 2} \times \frac{2}{x}$

b) $\frac{3}{x} \times \frac{x}{x - 1}$

c) $\frac{3}{x + 2} \times \frac{3x + 6}{2x + 3}$

d) $\frac{x}{x + 2} \times \frac{x^2 + 2x}{x^2}$

e) $\frac{x}{x + 2} : \frac{x}{2}$

f) $\frac{5y - 10}{15} : \frac{y - 2}{3y}$

g) $\frac{4x + 12}{7x} \times \frac{5x^2 - 10x}{6 - 9x} \times \frac{21}{2x - 4}$