Question

27. Efectuati:
(2)
a) 2:3
11.11
5 10​

Answer 1

2:(2pe3)la puterea2+11pe5:11pe10

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2:(2/3)^2+(11/5):(11/10)

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$\it 2:\Big(\dfrac{2}{3}\Big)^2 +\dfrac{11}{5}:\dfrac{11}{10}=\dfrac{2}{1}:\dfrac{4}{9}+\dfrac{11}{5}\cdot\dfrac{10}{11}=\dfrac{2}{1}\cdot\dfrac{9}{4}+2=\dfrac{9}{2}+2=4,5+2=6,5$