Whakaoti mō w
w=3
Tohaina
Kua tāruatia ki te papatopenga
520w=1640-80
Tangohia te 80 mai i ngā taha e rua.
520w=1560
Tangohia te 80 i te 1640, ka 1560.
w=\frac{1560}{520}
Whakawehea ngā taha e rua ki te 520.
w=3
Whakawehea te 1560 ki te 520, kia riro ko 3.
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