Enrhifo
2\sqrt{629}\approx 50.159744816
Rhannu
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2\sqrt{629}
Ffactora 2516=2^{2}\times 629. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 629} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{629}. Cymryd isradd 2^{2}.
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