Datrys 100*(8*48-48*10)^2/10*90*50*50

$$\frac { 100 \times ( 8 \times 48 - 48 \times 10 ) ^ { 2 } } { 10 \times 90 \times 50 \times 50 }$$

Enrhifo

$$\frac{256}{625}=0.4096$$

Camau Ateb

Canslo 10\times 10 yn y rhifiadur a'r enwadur.

$$\frac{\left(8\times 48-10\times 48\right)^{2}}{9\times 50\times 50}$$

Lluosi 8 a 48 i gael 384.

$$\frac{\left(384-10\times 48\right)^{2}}{9\times 50\times 50}$$

Lluosi 10 a 48 i gael 480.

$$\frac{\left(384-480\right)^{2}}{9\times 50\times 50}$$

Tynnu 480 o 384 i gael -96.

$$\frac{\left(-96\right)^{2}}{9\times 50\times 50}$$

Cyfrifo -96 i bŵer 2 a chael 9216.

$$\frac{9216}{9\times 50\times 50}$$

Lluosi 9 a 50 i gael 450.

$$\frac{9216}{450\times 50}$$

Lluosi 450 a 50 i gael 22500.

$$\frac{9216}{22500}$$

Lleihau'r ffracsiwn \frac{9216}{22500} i'r graddau lleiaf posib drwy dynnu a chanslo allan 36.

$$\frac{256}{625}$$

Ffactor

$$\frac{2 ^ {8}}{5 ^ {4}} = 0.4096$$