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Kua tāruatia ki te papatopenga
12=15\left(\frac{10}{5}-\frac{1}{5}\right)
Me tahuri te 2 ki te hautau \frac{10}{5}.
12=15\times \frac{10-1}{5}
Tā te mea he rite te tauraro o \frac{10}{5} me \frac{1}{5}, me tango rāua mā te tango i ō raua taurunga.
12=15\times \frac{9}{5}
Tangohia te 1 i te 10, ka 9.
12=\frac{15\times 9}{5}
Tuhia te 15\times \frac{9}{5} hei hautanga kotahi.
12=\frac{135}{5}
Whakareatia te 15 ki te 9, ka 135.
12=27
Whakawehea te 135 ki te 5, kia riro ko 27.
\text{false}
Whakatauritea te 12 me te 27.
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