Enrhifo
6\sqrt{10}-\sqrt{2}\approx 17.559452399
Rhannu
Copïo i clipfwrdd
3\sqrt{5}\times 2\sqrt{2}-\sqrt{2}
Ffactora 8=2^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 2} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{2}. Cymryd isradd 2^{2}.
6\sqrt{5}\sqrt{2}-\sqrt{2}
Lluosi 3 a 2 i gael 6.
6\sqrt{10}-\sqrt{2}
I luosi \sqrt{5} a \sqrt{2}, dylid lluosi'r rhifau dan yr ail isradd.
Enghreifftiau
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