Datrys 3sqrt{3/2*27}

$$3 \sqrt{ \frac{ 3 }{ 2 } \times 27 }$$

Enrhifo

$$\frac{27\sqrt{2}}{2}\approx 19.091883092$$

Camau Ateb

Mynegwch \frac{3}{2}\times 27 fel ffracsiwn unigol.

$$3\sqrt{\frac{3\times 27}{2}}$$

Lluosi 3 a 27 i gael 81.

$$3\sqrt{\frac{81}{2}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{81}{2}} fel rhaniad ail israddau \frac{\sqrt{81}}{\sqrt{2}}.

$$3\times \frac{\sqrt{81}}{\sqrt{2}}$$

Cyfrifo ail isradd 81 a chael 9.

$$3\times \frac{9}{\sqrt{2}}$$

Mae'n rhesymoli enwadur \frac{9}{\sqrt{2}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{2}.

$$3\times \frac{9\sqrt{2}}{\left(\sqrt{2}\right)^{2}}$$

Sgwâr \sqrt{2} yw 2.

$$3\times \frac{9\sqrt{2}}{2}$$

Mynegwch 3\times \frac{9\sqrt{2}}{2} fel ffracsiwn unigol.

$$\frac{3\times 9\sqrt{2}}{2}$$

Lluosi 3 a 9 i gael 27.

$$\frac{27\sqrt{2}}{2}$$