Question

Ajutatima va rog cu ope$2 \frac{3}{4} :(1 \frac{1}{2} - \frac{2}{5})+( \frac{3}{4}+ \frac{5}{6}):6 \frac{1}{3}$ratii

Answer 1

[tex]\it = \dfrac{11}{4}:\left (\dfrac{3}{2} - \dfrac{2}{5}\right)+\left(\dfrac{3}{4}+\dfrac{5}{6}\right): \dfrac{19}{3} = \dfrac{11}{4}: \dfrac{11}{10}+\dfrac{19}{12}:\dfrac{19}{3}= \\\;\\ \it \dfrac{11}{4} \cdot\dfrac{10}{11}+ \dfrac{19}{12}\cdot\dfrac{3}{19} = \dfrac{10}{4}+\dfrac{1}{4} = \dfrac{11}{4} = 2\dfrac{3}{4}[/tex]