Enrhifo
25\sqrt{89}\approx 235.849528301
Rhannu
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25\sqrt{89}
Ffactora 55625=25^{2}\times 89. Ailysgrifennu ail isradd y lluoswm \sqrt{25^{2}\times 89} fel lluoswm ail israddau \sqrt{25^{2}}\sqrt{89}. Cymryd isradd 25^{2}.
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