Enrhifo
\frac{31\sqrt{2}}{4}\approx 10.960155108
Rhannu
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6\sqrt{2}+\frac{1}{4}\sqrt{98}
Ffactora 72=6^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{6^{2}\times 2} fel lluoswm ail israddau \sqrt{6^{2}}\sqrt{2}. Cymryd isradd 6^{2}.
6\sqrt{2}+\frac{1}{4}\times 7\sqrt{2}
Ffactora 98=7^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{7^{2}\times 2} fel lluoswm ail israddau \sqrt{7^{2}}\sqrt{2}. Cymryd isradd 7^{2}.
6\sqrt{2}+\frac{7}{4}\sqrt{2}
Lluosi \frac{1}{4} a 7 i gael \frac{7}{4}.
\frac{31}{4}\sqrt{2}
Cyfuno 6\sqrt{2} a \frac{7}{4}\sqrt{2} i gael \frac{31}{4}\sqrt{2}.
Enghreifftiau
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