Enrhifo
189044-\sqrt{3}\approx 189042.267949192
Rhannu
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191844-\left(20\sqrt{7}\right)^{2}-\sqrt{3}
Cyfrifo 438 i bŵer 2 a chael 191844.
191844-20^{2}\left(\sqrt{7}\right)^{2}-\sqrt{3}
Ehangu \left(20\sqrt{7}\right)^{2}.
191844-400\left(\sqrt{7}\right)^{2}-\sqrt{3}
Cyfrifo 20 i bŵer 2 a chael 400.
191844-400\times 7-\sqrt{3}
Sgwâr \sqrt{7} yw 7.
191844-2800-\sqrt{3}
Lluosi 400 a 7 i gael 2800.
189044-\sqrt{3}
Tynnu 2800 o 191844 i gael 189044.
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