Enrhifo
18\sqrt{4330}\approx 1184.449239098
Rhannu
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\sqrt{342^{2}+1134^{2}}
Adio 27 a 315 i gael 342.
\sqrt{116964+1134^{2}}
Cyfrifo 342 i bŵer 2 a chael 116964.
\sqrt{116964+1285956}
Cyfrifo 1134 i bŵer 2 a chael 1285956.
\sqrt{1402920}
Adio 116964 a 1285956 i gael 1402920.
18\sqrt{4330}
Ffactora 1402920=18^{2}\times 4330. Ailysgrifennu ail isradd y lluoswm \sqrt{18^{2}\times 4330} fel lluoswm ail israddau \sqrt{18^{2}}\sqrt{4330}. Cymryd isradd 18^{2}.
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