Explicație pas cu pas:
a.
[tex] \frac{x}{ {x}^{2} } \frac{3}{ {x}^{2} } [/tex]
b.
[tex] \frac{9}{6y} \frac{ - 8}{6y} [/tex]
c.
[tex] \frac{4}{36 {x}^{2} } \frac{15x}{36 {x}^{2} } \frac{2x}{36 {x}^{2} } [/tex]
d.
[tex] \frac{ 3ax{y}^{2} }{24 {x}^{3} {y}^{3} } \frac{20b {x}^{2} }{24 {x}^{3} {y}^{3} } \frac{8c {y}^{3} }{24 {x}^{3} {y}^{3} } [/tex]
