Question

Determine as seguintes somas

$a)\frac{1}{2a} + \frac{3}{a^{2} } \\\\b)\frac{2x}{3y} -\frac{4x}{12y} +\frac{x}{9y} \\\\c)\frac{1}{2a} +\frac{3}{5a^{2} } -\frac{1}{3}$

Answer 1

Resposta:

a + 6/ 2a^2

92x - 15xy/ 180y

10a^2 + 15a + 18/ 30a^2