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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

3k\leq -10-2
Tangohia te 2 mai i ngā taha e rua.
3k\leq -12
Tangohia te 2 i te -10, ka -12.
k\leq \frac{-12}{3}
Whakawehea ngā taha e rua ki te 3. I te mea he tōrunga te 3, kāore e huri te ahunga koreōrite.
k\leq -4
Whakawehea te -12 ki te 3, kia riro ko -4.