Enrhifo
20\sqrt{545}\approx 466.904701197
Rhannu
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20\sqrt{545}
Ffactora 218000=20^{2}\times 545. Ailysgrifennu ail isradd y lluoswm \sqrt{20^{2}\times 545} fel lluoswm ail israddau \sqrt{20^{2}}\sqrt{545}. Cymryd isradd 20^{2}.
Enghreifftiau
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