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Aromātai
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Tauwehe
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

21-20+\frac{15-3}{4}
Tāpirihia te 10 ki te 11, ka 21.
1+\frac{15-3}{4}
Tangohia te 20 i te 21, ka 1.
1+\frac{12}{4}
Tangohia te 3 i te 15, ka 12.
1+3
Whakawehea te 12 ki te 4, kia riro ko 3.
4
Tāpirihia te 1 ki te 3, ka 4.