Whakaoti mō r
r=30
Tohaina
Kua tāruatia ki te papatopenga
\frac{210}{7}=r
Whakawehea ngā taha e rua ki te 7.
30=r
Whakawehea te 210 ki te 7, kia riro ko 30.
r=30
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
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