09 ago 2017, 14:21
\([(2+\frac{3}{5})*\frac{15}{13}-\frac{1}{8}:(-\frac{3}{4})]*\frac{12}{19}\)
15 ago 2017, 23:11
\(((2+\frac{3}{5})(\frac{15}{13})-\frac{1/8}{-3/4})(\frac{12}{19})=((\frac{13}{5})(\frac{15}{13})+\frac{4}{24})(\frac{12}{19})=\\ (3+\frac{4}{24})(\frac{12}{19})=(3+\frac{1}{6})(\frac{12}{19})=(\frac{19}{6})(\frac{12}{19})=\frac{12}{6}=2\)
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