Enrhifo
15\sqrt{109}\approx 156.604597634
Rhannu
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15\sqrt{109}
Ffactora 24525=15^{2}\times 109. Ailysgrifennu ail isradd y lluoswm \sqrt{15^{2}\times 109} fel lluoswm ail israddau \sqrt{15^{2}}\sqrt{109}. Cymryd isradd 15^{2}.
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