Datrys 0.0725(13*0.1725)+(3*0.0728)/9*0.1725+20*0.0725

$$\frac { 0.0725 ( 13 \cdot 0.1725 ) + ( 3 \cdot 0.0728 ) } { 9 \cdot 0.1725 + 20 \cdot 0.0725 }$$

Enrhifo

$$\frac{60957}{480400}\approx 0.12688801$$

Camau Ateb

Lluosi 0.0725 a 13 i gael 0.9425.

$$\frac{0.9425\times 0.1725+3\times 0.0728}{9\times 0.1725+20\times 0.0725}$$

Lluosi 0.9425 a 0.1725 i gael 0.16258125.

$$\frac{0.16258125+3\times 0.0728}{9\times 0.1725+20\times 0.0725}$$

Lluosi 3 a 0.0728 i gael 0.2184.

$$\frac{0.16258125+0.2184}{9\times 0.1725+20\times 0.0725}$$

Adio 0.16258125 a 0.2184 i gael 0.38098125.

$$\frac{0.38098125}{9\times 0.1725+20\times 0.0725}$$

Lluosi 9 a 0.1725 i gael 1.5525.

$$\frac{0.38098125}{1.5525+20\times 0.0725}$$

Lluosi 20 a 0.0725 i gael 1.45.

$$\frac{0.38098125}{1.5525+1.45}$$

Adio 1.5525 a 1.45 i gael 3.0025.

$$\frac{0.38098125}{3.0025}$$

Ehangu \frac{0.38098125}{3.0025} drwy luosi'r rhifiadur a'r enwadur gyda 100000000.

$$\frac{38098125}{300250000}$$

Lleihau'r ffracsiwn \frac{38098125}{300250000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 625.

$$\frac{60957}{480400}$$

Ffactor

$$\frac{13 \cdot 521 \cdot 3 ^ {2}}{1201 \cdot 2 ^ {4} \cdot 5 ^ {2}} = 0.1268880099916736$$