Whakaoti mō w
w=112
Tohaina
Kua tāruatia ki te papatopenga
2w=9+215
Me tāpiri te 215 ki ngā taha e rua.
2w=224
Tāpirihia te 9 ki te 215, ka 224.
w=\frac{224}{2}
Whakawehea ngā taha e rua ki te 2.
w=112
Whakawehea te 224 ki te 2, kia riro ko 112.
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