Bilangan rasional: Perbedaan antara revisi
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Baris 7:
:<math>\frac{a}{b} + \frac{c}{d} = \frac{ad+bc}{bd}.</math>
:<math>\frac{a}{b} \cdot \frac{c}{d} = \frac{ac}{bd}.</math>
:<math>\frac{a}{b} \div \frac{c}{d} = \frac{ad}{bc}.</math>
:<math> - \left( \frac{a}{b} \right) = \frac{-a}{b} = \frac{a}{-b} \quad\mbox{dan}\quad
\left(\frac{a}{b}\right)^{-1} = \frac{b}{a} \mbox{ jika } a \neq 0. </math>
▲:<math>\frac{a}{b} \div \frac{c}{d} = \frac{ad}{bc}.</math>
== Lihat juga ==
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