Aromātai
20
Tauwehe
2^{2}\times 5
Tohaina
Kua tāruatia ki te papatopenga
\sqrt{5}\sqrt{5}\sqrt{2}\sqrt{8}
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}.
5\sqrt{2}\sqrt{8}
Whakareatia te \sqrt{5} ki te \sqrt{5}, ka 5.
5\sqrt{2}\sqrt{2}\sqrt{4}
Tauwehea te 8=2\times 4. Tuhia anō te pūtake rua o te hua \sqrt{2\times 4} hei hua o ngā pūtake rua \sqrt{2}\sqrt{4}.
5\times 2\sqrt{4}
Whakareatia te \sqrt{2} ki te \sqrt{2}, ka 2.
10\sqrt{4}
Whakareatia te 5 ki te 2, ka 10.
10\times 2
Tātaitia te pūtakerua o 4 kia tae ki 2.
20
Whakareatia te 10 ki te 2, ka 20.
Ngā Tauira
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Whakaurunga
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