Tīpoka ki ngā ihirangi matua
Whakaoti mō c
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Tohaina

18c-5=67
Pahekotia te 4c me 14c, ka 18c.
18c=67+5
Me tāpiri te 5 ki ngā taha e rua.
18c=72
Tāpirihia te 67 ki te 5, ka 72.
c=\frac{72}{18}
Whakawehea ngā taha e rua ki te 18.
c=4
Whakawehea te 72 ki te 18, kia riro ko 4.