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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\frac{20^{2}}{80}-40
Tāpirihia te 17 ki te 3, ka 20.
\frac{400}{80}-40
Tātaihia te 20 mā te pū o 2, kia riro ko 400.
5-40
Whakawehea te 400 ki te 80, kia riro ko 5.
-35
Tangohia te 40 i te 5, ka -35.