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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

3^{3}-\frac{2\times 3+1}{3}\times 3
Hei whakarea i ngā pū o te pūtake kotahi, me tāpiri ō rātou taupū. Tāpiria te 1 me te 2 kia riro ai te 3.
27-\frac{2\times 3+1}{3}\times 3
Tātaihia te 3 mā te pū o 3, kia riro ko 27.
27-\frac{6+1}{3}\times 3
Whakareatia te 2 ki te 3, ka 6.
27-\frac{7}{3}\times 3
Tāpirihia te 6 ki te 1, ka 7.
27-7
Me whakakore te 3 me te 3.
20
Tangohia te 7 i te 27, ka 20.