Datrys 44-2*4.2015/0.25*3.14*3.2^2

$$\frac { 44 - 2 \times 4.2015 } { 0.25 \times 3.14 \times 3.2 ^ { 2 } }$$

Enrhifo

$$\frac{177985}{40192}\approx 4.42836883$$

Camau Ateb

Lluosi 2 a 4.2015 i gael 8.403.

$$\frac{44-8.403}{0.25\times 3.14\times 3.2^{2}}$$

Tynnu 8.403 o 44 i gael 35.597.

$$\frac{35.597}{0.25\times 3.14\times 3.2^{2}}$$

Lluosi 0.25 a 3.14 i gael 0.785.

$$\frac{35.597}{0.785\times 3.2^{2}}$$

Cyfrifo 3.2 i bŵer 2 a chael 10.24.

$$\frac{35.597}{0.785\times 10.24}$$

Lluosi 0.785 a 10.24 i gael 8.0384.

$$\frac{35.597}{8.0384}$$

Ehangu \frac{35.597}{8.0384} drwy luosi'r rhifiadur a'r enwadur gyda 10000.

$$\frac{355970}{80384}$$

Lleihau'r ffracsiwn \frac{355970}{80384} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$\frac{177985}{40192}$$

Ffactor

$$\frac{5 \cdot 35597}{157 \cdot 2 ^ {8}} = 4\frac{17217}{40192} = 4.428368829617835$$