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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

5-7
Ko te uara pū o tētahi tau tūturu a ko a ina a\geq 0, ko -a rānei ina a<0. Ko te uara pū o 5 ko 5.
-2
Tangohia te 7 i te 5, ka -2.