Enrhifo
\frac{14\sqrt{2}}{15}\approx 1.319932658
Rhannu
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\frac{4\sqrt{2}}{3}-\frac{\sqrt{8}}{5}
Ffactora 32=4^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{4^{2}\times 2} fel lluoswm ail israddau \sqrt{4^{2}}\sqrt{2}. Cymryd isradd 4^{2}.
\frac{4\sqrt{2}}{3}-\frac{2\sqrt{2}}{5}
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}.
\frac{14}{15}\sqrt{2}
Cyfuno \frac{4\sqrt{2}}{3} a -\frac{2\sqrt{2}}{5} i gael \frac{14}{15}\sqrt{2}.
Enghreifftiau
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