Enrhifo
-\frac{31\sqrt{10}}{100}\approx -0.980306075
Rhannu
Copïo i clipfwrdd
\frac{-6.2\sqrt{10}}{2\left(\sqrt{10}\right)^{2}}
Mae'n rhesymoli enwadur \frac{-6.2}{2\sqrt{10}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{10}.
\frac{-6.2\sqrt{10}}{2\times 10}
Sgwâr \sqrt{10} yw 10.
\frac{-6.2\sqrt{10}}{20}
Lluosi 2 a 10 i gael 20.
-0.31\sqrt{10}
Rhannu -6.2\sqrt{10} â 20 i gael -0.31\sqrt{10}.
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