Datrys 0.0725((3*0.1725)+(3*0.072))/9*0.1725+20*0.0725=

$$\frac { 0.0725 ( ( 3 \cdot 0.1725 ) + ( 3 \cdot 0.072 ) ) } { 9 \cdot 0.1725 + 20 \cdot 0.0725 } =$$

Enrhifo

$$\frac{42543}{2402000}\approx 0.01771149$$

Camau Ateb

Lluosi 3 a 0.1725 i gael 0.5175.

$$\frac{0.0725\left(0.5175+3\times 0.072\right)}{9\times 0.1725+20\times 0.0725}$$

Lluosi 3 a 0.072 i gael 0.216.

$$\frac{0.0725\left(0.5175+0.216\right)}{9\times 0.1725+20\times 0.0725}$$

Adio 0.5175 a 0.216 i gael 0.7335.

$$\frac{0.0725\times 0.7335}{9\times 0.1725+20\times 0.0725}$$

Lluosi 0.0725 a 0.7335 i gael 0.05317875.

$$\frac{0.05317875}{9\times 0.1725+20\times 0.0725}$$

Lluosi 9 a 0.1725 i gael 1.5525.

$$\frac{0.05317875}{1.5525+20\times 0.0725}$$

Lluosi 20 a 0.0725 i gael 1.45.

$$\frac{0.05317875}{1.5525+1.45}$$

Adio 1.5525 a 1.45 i gael 3.0025.

$$\frac{0.05317875}{3.0025}$$

Ehangu \frac{0.05317875}{3.0025} drwy luosi'r rhifiadur a'r enwadur gyda 100000000.

$$\frac{5317875}{300250000}$$

Lleihau'r ffracsiwn \frac{5317875}{300250000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 125.

$$\frac{42543}{2402000}$$

Ffactor

$$\frac{29 \cdot 163 \cdot 3 ^ {2}}{1201 \cdot 2 ^ {4} \cdot 5 ^ {3}} = 0.017711490424646127$$