Questão 3560879

\(\frac{av}{ax}-\ \frac{au}{ay}\)

\(\frac{av}{ôx}+\frac{au}{ay}\)

\(\frac{õu}{ax}-\frac{av}{ay}\)

\(\frac{au}{õx}+\frac{av}{ay}\)

\(\frac{au}{õz}-\frac{av}{õz}\)