Enrhifo
2\sqrt{500151}\approx 1414.427092501
Rhannu
Copïo i clipfwrdd
\sqrt{2000\times 2000-\left(\frac{2828}{2}\right)^{2}}
Lluosi \frac{2828}{2} a \frac{2828}{2} i gael \left(\frac{2828}{2}\right)^{2}.
\sqrt{4000000-\left(\frac{2828}{2}\right)^{2}}
Lluosi 2000 a 2000 i gael 4000000.
\sqrt{4000000-1414^{2}}
Rhannu 2828 â 2 i gael 1414.
\sqrt{4000000-1999396}
Cyfrifo 1414 i bŵer 2 a chael 1999396.
\sqrt{2000604}
Tynnu 1999396 o 4000000 i gael 2000604.
2\sqrt{500151}
Ffactora 2000604=2^{2}\times 500151. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 500151} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{500151}. Cymryd isradd 2^{2}.
Enghreifftiau
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