Svar 3.1:5

Förberedande kurs i matematik 1

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a) \displaystyle \displaystyle \frac{\sqrt{3}}{3} b) \displaystyle \displaystyle \frac{7^{2/3}}{7} c) \displaystyle 3-\sqrt{7} d) \displaystyle \displaystyle \frac{\sqrt{17}+\sqrt{13}}{4}