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4\sqrt{5}\times 3\sqrt{5}\sqrt{2}
Tauwehea te 10=5\times 2. Tuhia anō te pūtake rua o te hua \sqrt{5\times 2} hei hua o ngā pūtake rua \sqrt{5}\sqrt{2}.
4\times 5\times 3\sqrt{2}
Whakareatia te \sqrt{5} ki te \sqrt{5}, ka 5.
20\times 3\sqrt{2}
Whakareatia te 4 ki te 5, ka 20.
60\sqrt{2}
Whakareatia te 20 ki te 3, ka 60.