Whakaoti mō u
u=28
Tohaina
Kua tāruatia ki te papatopenga
u=12\times \frac{7}{3}
Me whakarea ngā taha e rua ki te \frac{7}{3}, te tau utu o \frac{3}{7}.
u=\frac{12\times 7}{3}
Tuhia te 12\times \frac{7}{3} hei hautanga kotahi.
u=\frac{84}{3}
Whakareatia te 12 ki te 7, ka 84.
u=28
Whakawehea te 84 ki te 3, kia riro ko 28.
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