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Problemau tebyg o chwiliad gwe

Rhannu

\frac{3+2\sqrt{2}}{\left(3-2\sqrt{2}\right)\left(3+2\sqrt{2}\right)}+3-2\sqrt{2}
Mae'n rhesymoli enwadur \frac{1}{3-2\sqrt{2}} drwy luosi'r rhifiadur a'r enwadur â 3+2\sqrt{2}.
\frac{3+2\sqrt{2}}{3^{2}-\left(-2\sqrt{2}\right)^{2}}+3-2\sqrt{2}
Ystyriwch \left(3-2\sqrt{2}\right)\left(3+2\sqrt{2}\right). Gellir trawsnewid lluosi yn wahaniaeth rhwng sgwariau drwy ddefnyddio’r rheol: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.
\frac{3+2\sqrt{2}}{9-\left(-2\sqrt{2}\right)^{2}}+3-2\sqrt{2}
Cyfrifo 3 i bŵer 2 a chael 9.
\frac{3+2\sqrt{2}}{9-\left(-2\right)^{2}\left(\sqrt{2}\right)^{2}}+3-2\sqrt{2}
Ehangu \left(-2\sqrt{2}\right)^{2}.
\frac{3+2\sqrt{2}}{9-4\left(\sqrt{2}\right)^{2}}+3-2\sqrt{2}
Cyfrifo -2 i bŵer 2 a chael 4.
\frac{3+2\sqrt{2}}{9-4\times 2}+3-2\sqrt{2}
Sgwâr \sqrt{2} yw 2.
\frac{3+2\sqrt{2}}{9-8}+3-2\sqrt{2}
Lluosi 4 a 2 i gael 8.
\frac{3+2\sqrt{2}}{1}+3-2\sqrt{2}
Tynnu 8 o 9 i gael 1.
3+2\sqrt{2}+3-2\sqrt{2}
Mae rhannu unrhyw beth ag un yn rhoi'r rhif hwnnw.
6+2\sqrt{2}-2\sqrt{2}
Adio 3 a 3 i gael 6.
6
Cyfuno 2\sqrt{2} a -2\sqrt{2} i gael 0.