Enrhifo
51\sqrt{379721}-3\sqrt{13717421}\approx 20315.856992376
Rhannu
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51\sqrt{379721}-\sqrt{123456789}
Ffactora 987654321=51^{2}\times 379721. Ailysgrifennu ail isradd y lluoswm \sqrt{51^{2}\times 379721} fel lluoswm ail israddau \sqrt{51^{2}}\sqrt{379721}. Cymryd isradd 51^{2}.
51\sqrt{379721}-3\sqrt{13717421}
Ffactora 123456789=3^{2}\times 13717421. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 13717421} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{13717421}. Cymryd isradd 3^{2}.
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