Datrys (4*10/5*8)^3*(15*8^2/2*10^2)^2=

$$( \frac { 4 * 10 } { 5 * 8 } ) ^ { 3 } * ( \frac { 15 * 8 ^ { 2 } } { 2 * 10 ^ { 2 } } ) ^ { 2 } =$$

Enrhifo

$$\frac{576}{25}=23.04$$

Camau Ateb

Canslo 2\times 4\times 5 yn y rhifiadur a'r enwadur.

$$1^{3}\times \left(\frac{15\times 8^{2}}{2\times 10^{2}}\right)^{2}$$

Cyfrifo 1 i bŵer 3 a chael 1.

$$1\times \left(\frac{15\times 8^{2}}{2\times 10^{2}}\right)^{2}$$

Cyfrifo 8 i bŵer 2 a chael 64.

$$1\times \left(\frac{15\times 64}{2\times 10^{2}}\right)^{2}$$

Lluosi 15 a 64 i gael 960.

$$1\times \left(\frac{960}{2\times 10^{2}}\right)^{2}$$

Cyfrifo 10 i bŵer 2 a chael 100.

$$1\times \left(\frac{960}{2\times 100}\right)^{2}$$

Lluosi 2 a 100 i gael 200.

$$1\times \left(\frac{960}{200}\right)^{2}$$

Lleihau'r ffracsiwn \frac{960}{200} i'r graddau lleiaf posib drwy dynnu a chanslo allan 40.

$$1\times \left(\frac{24}{5}\right)^{2}$$

Cyfrifo \frac{24}{5} i bŵer 2 a chael \frac{576}{25}.

$$1\times \frac{576}{25}$$

Lluosi 1 a \frac{576}{25} i gael \frac{576}{25}.

$$\frac{576}{25}$$

Ffactor

$$\frac{2 ^ {6} \cdot 3 ^ {2}}{5 ^ {2}} = 23\frac{1}{25} = 23.04$$