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Tauwehe
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

12-\frac{13+7}{-5}
Ko te tauaro o -7 ko 7.
12-\frac{20}{-5}
Tāpirihia te 13 ki te 7, ka 20.
12-\left(-4\right)
Whakawehea te 20 ki te -5, kia riro ko -4.
12+4
Ko te tauaro o -4 ko 4.
16
Tāpirihia te 12 ki te 4, ka 16.