Enrhifo
250\sqrt{1155}\approx 8496.322733983
Rhannu
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250\sqrt{1155}
Ffactora 72187500=250^{2}\times 1155. Ailysgrifennu ail isradd y lluoswm \sqrt{250^{2}\times 1155} fel lluoswm ail israddau \sqrt{250^{2}}\sqrt{1155}. Cymryd isradd 250^{2}.
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