Tīpoka ki ngā ihirangi matua
Aromātai
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Tauwehe
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

0+\frac{-2}{2}
Ko te kore i whakawehea ki te tau ehara te kore ka hua ko te kore.
0-1
Whakawehea te -2 ki te 2, kia riro ko -1.
-1
Tangohia te 1 i te 0, ka -1.