Datrys frac{sqrt{36}}{3}+sqrt{2/81}

$$\frac { \sqrt { 36 } } { 3 } + \sqrt { \frac { 2 } { 81 } }$$

Enrhifo

$$\frac{\sqrt{2}}{9}+2\approx 2.15713484$$

Camau Ateb Byr

Cyfrifo ail isradd 36 a chael 6.

$$\frac{6}{3}+\sqrt{\frac{2}{81}}$$

Rhannu 6 â 3 i gael 2.

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

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

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

Cyfrifo ail isradd 81 a chael 9.

$$2+\frac{\sqrt{2}}{9}$$

I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluoswch 2 â \frac{9}{9}.

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

Gan fod gan \frac{2\times 9}{9} a \frac{\sqrt{2}}{9} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

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

Gwnewch y gwaith lluosi yn 2\times 9+\sqrt{2}.

$$\frac{18+\sqrt{2}}{9}$$

Ffactor

$$\frac{\sqrt{2} + 18}{9} = 2.1571348402636774$$