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243=\frac{81}{2}m
Whakareatia te \frac{1}{2} ki te 81, ka \frac{81}{2}.
\frac{81}{2}m=243
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
m=243\times \frac{2}{81}
Me whakarea ngā taha e rua ki te \frac{2}{81}, te tau utu o \frac{81}{2}.
m=\frac{243\times 2}{81}
Tuhia te 243\times \frac{2}{81} hei hautanga kotahi.
m=\frac{486}{81}
Whakareatia te 243 ki te 2, ka 486.
m=6
Whakawehea te 486 ki te 81, kia riro ko 6.