Datrys 5+(30-(8-1)^2)/11*2^2=

$$\frac { 5 + ( 30 - ( 8 - 1 ) ^ { 2 } ) } { 11 \cdot 2 ^ { 2 } } =$$

Enrhifo

$$-\frac{7}{22}\approx -0.318181818$$

Camau Ateb

Tynnu 1 o 8 i gael 7.

$$\frac{5+30-7^{2}}{11\times 2^{2}}$$

Cyfrifo 7 i bŵer 2 a chael 49.

$$\frac{5+30-49}{11\times 2^{2}}$$

Tynnu 49 o 30 i gael -19.

$$\frac{5-19}{11\times 2^{2}}$$

Tynnu 19 o 5 i gael -14.

$$\frac{-14}{11\times 2^{2}}$$

Cyfrifo 2 i bŵer 2 a chael 4.

$$\frac{-14}{11\times 4}$$

Lluosi 11 a 4 i gael 44.

$$\frac{-14}{44}$$

Lleihau'r ffracsiwn \frac{-14}{44} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$-\frac{7}{22}$$

Ffactor

$$-\frac{7}{22} = -0.3181818181818182$$