Question

$\frac{2}{3} {a}^{2} + \frac{1}{5} {ab}^{} - \frac{1}{2} {b}^{2} + \frac{5}{6} {a}^{2} - \frac{1}{10} {ab}^{} + \frac{1}{6} {b}^{2} + \frac{1}{12} {a}^{2} + \frac{1}{20} {ab}^{} - \frac{1}{3} {b}^{2}$
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Answer 1

Respuesta:Es igual a 1

Explicación paso a paso: