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Tauwehe
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\sqrt{7}\sqrt{4}\sqrt{7}
Tauwehea te 28=7\times 4. Tuhia anō te pūtake rua o te hua \sqrt{7\times 4} hei hua o ngā pūtake rua \sqrt{7}\sqrt{4}.
7\sqrt{4}
Whakareatia te \sqrt{7} ki te \sqrt{7}, ka 7.
7\times 2
Tātaitia te pūtakerua o 4 kia tae ki 2.
14
Whakareatia te 7 ki te 2, ka 14.