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\frac{4}{489}\times 7824=x
Me whakarea ngā taha e rua ki te 7824.
\frac{4\times 7824}{489}=x
Tuhia te \frac{4}{489}\times 7824 hei hautanga kotahi.
\frac{31296}{489}=x
Whakareatia te 4 ki te 7824, ka 31296.
64=x
Whakawehea te 31296 ki te 489, kia riro ko 64.
x=64
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.