Enrhifo
\frac{4\sqrt{5}}{5}\approx 1.788854382
Rhannu
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\sqrt{5}-\frac{1}{\sqrt{3+2}}
Adio 3 a 2 i gael 5.
\sqrt{5}-\frac{1}{\sqrt{5}}
Adio 3 a 2 i gael 5.
\sqrt{5}-\frac{\sqrt{5}}{\left(\sqrt{5}\right)^{2}}
Mae'n rhesymoli enwadur \frac{1}{\sqrt{5}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{5}.
\sqrt{5}-\frac{\sqrt{5}}{5}
Sgwâr \sqrt{5} yw 5.
\frac{4}{5}\sqrt{5}
Cyfuno \sqrt{5} a -\frac{\sqrt{5}}{5} i gael \frac{4}{5}\sqrt{5}.
Enghreifftiau
Hafaliad cwadratig
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