Datrys (67)2+1/3/2-frac{1{5}}:1/5+(1/3)^-1

$$( 67 ) \frac { 2 + \frac { 1 } { 3 } } { 2 - \frac { 1 } { 5 } } : \frac { 1 } { 5 } + ( \frac { 1 } { 3 } ) ^ { - 1 }$$

Enrhifo

$$\frac{11806}{27}\approx 437.259259259$$

Camau Ateb

Adio 2 a \frac{1}{3} i gael \frac{7}{3}.

$$\frac{67\times \frac{\frac{7}{3}}{2-\frac{1}{5}}}{\frac{1}{5}}+\left(\frac{1}{3}\right)^{-1}$$

Tynnu \frac{1}{5} o 2 i gael \frac{9}{5}.

$$\frac{67\times \frac{\frac{7}{3}}{\frac{9}{5}}}{\frac{1}{5}}+\left(\frac{1}{3}\right)^{-1}$$

Rhannwch \frac{7}{3} â \frac{9}{5} drwy luosi \frac{7}{3} â chilydd \frac{9}{5}.

$$\frac{67\times \frac{7}{3}\times \frac{5}{9}}{\frac{1}{5}}+\left(\frac{1}{3}\right)^{-1}$$

Lluosi \frac{7}{3} a \frac{5}{9} i gael \frac{35}{27}.

$$\frac{67\times \frac{35}{27}}{\frac{1}{5}}+\left(\frac{1}{3}\right)^{-1}$$

Lluosi 67 a \frac{35}{27} i gael \frac{2345}{27}.

$$\frac{\frac{2345}{27}}{\frac{1}{5}}+\left(\frac{1}{3}\right)^{-1}$$

Rhannwch \frac{2345}{27} â \frac{1}{5} drwy luosi \frac{2345}{27} â chilydd \frac{1}{5}.

$$\frac{2345}{27}\times 5+\left(\frac{1}{3}\right)^{-1}$$

Lluosi \frac{2345}{27} a 5 i gael \frac{11725}{27}.

$$\frac{11725}{27}+\left(\frac{1}{3}\right)^{-1}$$

Cyfrifo \frac{1}{3} i bŵer -1 a chael 3.

$$\frac{11725}{27}+3$$

Adio \frac{11725}{27} a 3 i gael \frac{11806}{27}.

$$\frac{11806}{27}$$

Ffactor

$$\frac{2 \cdot 5903}{3 ^ {3}} = 437\frac{7}{27} = 437.25925925925924$$