Aromātai
2\left(\sqrt{17}+2\sqrt{5}\right)\approx 17.190483161
Tohaina
Kua tāruatia ki te papatopenga
2\sqrt{5}+\sqrt{17}+\sqrt{20}+\sqrt{17}
Tauwehea te 20=2^{2}\times 5. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 5} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{5}. Tuhia te pūtakerua o te 2^{2}.
2\sqrt{5}+\sqrt{17}+2\sqrt{5}+\sqrt{17}
Tauwehea te 20=2^{2}\times 5. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 5} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{5}. Tuhia te pūtakerua o te 2^{2}.
4\sqrt{5}+\sqrt{17}+\sqrt{17}
Pahekotia te 2\sqrt{5} me 2\sqrt{5}, ka 4\sqrt{5}.
4\sqrt{5}+2\sqrt{17}
Pahekotia te \sqrt{17} me \sqrt{17}, ka 2\sqrt{17}.
Ngā Tauira
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