Enrhifo
\frac{5\sqrt{30}}{279}\approx 0.098158164
Rhannu
Copïo i clipfwrdd
\frac{\sqrt{750}}{279}
Lluosi 30 a 25 i gael 750.
\frac{5\sqrt{30}}{279}
Ffactora 750=5^{2}\times 30. Ailysgrifennu ail isradd y lluoswm \sqrt{5^{2}\times 30} fel lluoswm ail israddau \sqrt{5^{2}}\sqrt{30}. Cymryd isradd 5^{2}.
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