Whakaoti mō r
\left\{\begin{matrix}r=\frac{D}{t}\text{, }&t\neq 0\\r\in \mathrm{R}\text{, }&D=0\text{ and }t=0\end{matrix}\right.
Whakaoti mō D
D=rt
Pātaitai
Algebra
D = rt
Tohaina
Kua tāruatia ki te papatopenga
rt=D
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
tr=D
He hanga arowhānui tō te whārite.
\frac{tr}{t}=\frac{D}{t}
Whakawehea ngā taha e rua ki te t.
r=\frac{D}{t}
Mā te whakawehe ki te t ka wetekia te whakareanga ki te t.
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