Tīpoka ki ngā ihirangi matua
Aromātai
Tick mark Image

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\sqrt{400-15^{2}}
Tātaihia te 20 mā te pū o 2, kia riro ko 400.
\sqrt{400-225}
Tātaihia te 15 mā te pū o 2, kia riro ko 225.
\sqrt{175}
Tangohia te 225 i te 400, ka 175.
5\sqrt{7}
Tauwehea te 175=5^{2}\times 7. Tuhia anō te pūtake rua o te hua \sqrt{5^{2}\times 7} hei hua o ngā pūtake rua \sqrt{5^{2}}\sqrt{7}. Tuhia te pūtakerua o te 5^{2}.