Question

$(a \frac{2}{3} b) + (\frac{1}{3} a - \frac{1}{5} b)$
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Answer 1

Resposta:

$(\frac{a.b.2}{3}) + (\frac{1a}{3} - \frac{1.b}{5})\\\\\frac{a.b.2}{3} + \frac{1a}{3} - \frac{1.b}{5} = \frac{{5.a.b.2} + 5a - 3b }{15} \\\\\frac{{10.a.b} + 5a - 3b }{15}$