Enrhifo
2\sqrt{30}\approx 10.95445115
Rhannu
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\sqrt{\frac{600\times 32-240\times 65}{\frac{1}{2}\times 60}}
Lluosi 60 a 10 i gael 600.
\sqrt{\frac{19200-240\times 65}{\frac{1}{2}\times 60}}
Lluosi 600 a 32 i gael 19200.
\sqrt{\frac{19200-15600}{\frac{1}{2}\times 60}}
Lluosi 240 a 65 i gael 15600.
\sqrt{\frac{3600}{\frac{1}{2}\times 60}}
Tynnu 15600 o 19200 i gael 3600.
\sqrt{\frac{3600}{\frac{60}{2}}}
Lluosi \frac{1}{2} a 60 i gael \frac{60}{2}.
\sqrt{\frac{3600}{30}}
Rhannu 60 â 2 i gael 30.
\sqrt{120}
Rhannu 3600 â 30 i gael 120.
2\sqrt{30}
Ffactora 120=2^{2}\times 30. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 30} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{30}. Cymryd isradd 2^{2}.
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