Whakaoti mō R
R=10
Tautapa R
R≔10
Tohaina
Kua tāruatia ki te papatopenga
R=\frac{1.8}{0.009\times 20}
Tangohia te 3.2 i te 5, ka 1.8.
R=\frac{1.8}{0.18}
Whakareatia te 0.009 ki te 20, ka 0.18.
R=\frac{180}{18}
Whakarohaina te \frac{1.8}{0.18} mā te whakarea i te taurunga me te tauraro ki te 100.
R=10
Whakawehea te 180 ki te 18, kia riro ko 10.
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