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Whakaoti mō v
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

v=-\frac{1}{3}+\frac{3}{4}
Me tāpiri te \frac{3}{4} ki ngā taha e rua.
v=-\frac{4}{12}+\frac{9}{12}
Ko te maha noa iti rawa atu o 3 me 4 ko 12. Me tahuri -\frac{1}{3} me \frac{3}{4} ki te hautau me te tautūnga 12.
v=\frac{-4+9}{12}
Tā te mea he rite te tauraro o -\frac{4}{12} me \frac{9}{12}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
v=\frac{5}{12}
Tāpirihia te -4 ki te 9, ka 5.