Question

considerando os valores de A e B,calcule oque se pede:​

Answer 1

Resposta e explicação

$a= \frac{2}{3} \\\\b=\frac{5}{2} \\\\\\1) a-b\\\\mmc(2,3) = 6\\ \frac{2}{3} -\frac{5}{2} = \frac{4-15}{6}= \frac{-11}{6}\\\\\\2)a:b\\ \frac{2}{3} : \frac{5}{2} = \frac{2}{3} *\frac{2}{5} = \frac{4}{15}\\\\\\3)a*b\\ \frac{2}{3} *\frac{5}{2} = \frac{5}{3}$

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