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Aromātai
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Tauwehe
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Tohaina

\frac{1}{20}\times 360
Whakahekea te hautanga \frac{5}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.
\frac{360}{20}
Whakareatia te \frac{1}{20} ki te 360, ka \frac{360}{20}.
18
Whakawehea te 360 ki te 20, kia riro ko 18.