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Answer 3.1:6
From Förberedande kurs i matematik 1
| a)
| \displaystyle 6+2\sqrt{2}+3\sqrt{5}+\sqrt{10}
| b)
| \displaystyle -\displaystyle \frac{5+4\sqrt{3}}{23}
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| c)
| \displaystyle \displaystyle \frac{2}{3}\sqrt{6}+\displaystyle \frac{2}{3}\sqrt{3}-\displaystyle \frac{2}{5}\sqrt{10}-\displaystyle \frac{2}{5}\sqrt{5}
| d)
| \displaystyle \displaystyle \frac{5\sqrt{3}+7\sqrt{2}-\sqrt{6}-12}{23}
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