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Ngā Raru Ōrite mai i te Rapu Tukutuku

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\sqrt{900-6^{2}}
Tātaihia te 30 mā te pū o 2, kia riro ko 900.
\sqrt{900-36}
Tātaihia te 6 mā te pū o 2, kia riro ko 36.
\sqrt{864}
Tangohia te 36 i te 900, ka 864.
12\sqrt{6}
Tauwehea te 864=12^{2}\times 6. Tuhia anō te pūtake rua o te hua \sqrt{12^{2}\times 6} hei hua o ngā pūtake rua \sqrt{12^{2}}\sqrt{6}. Tuhia te pūtakerua o te 12^{2}.