Whakaoti mō A
A=\frac{12}{D}
D\neq 0
Whakaoti mō D
D=\frac{12}{A}
A\neq 0
Tohaina
Kua tāruatia ki te papatopenga
DA=12
He hanga arowhānui tō te whārite.
\frac{DA}{D}=\frac{12}{D}
Whakawehea ngā taha e rua ki te D.
A=\frac{12}{D}
Mā te whakawehe ki te D ka wetekia te whakareanga ki te D.
AD=12
He hanga arowhānui tō te whārite.
\frac{AD}{A}=\frac{12}{A}
Whakawehea ngā taha e rua ki te A.
D=\frac{12}{A}
Mā te whakawehe ki te A ka wetekia te whakareanga ki te A.
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