Datrys 2.8-562*1.4*720/3.2*2.9*37000=

$$\frac { 2.8 - 562 \cdot 1.4 \cdot 720 } { 3.2 \cdot 2.9 \cdot 37000 } =$$

Enrhifo

$$-\frac{1416233}{858400}\approx -1.64985205$$

Camau Ateb

Lluosi 562 a 1.4 i gael 786.8.

$$\frac{2.8-786.8\times 720}{3.2\times 2.9\times 37000}$$

Lluosi 786.8 a 720 i gael 566496.

$$\frac{2.8-566496}{3.2\times 2.9\times 37000}$$

Tynnu 566496 o 2.8 i gael -566493.2.

$$\frac{-566493.2}{3.2\times 2.9\times 37000}$$

Lluosi 3.2 a 2.9 i gael 9.28.

$$\frac{-566493.2}{9.28\times 37000}$$

Lluosi 9.28 a 37000 i gael 343360.

$$\frac{-566493.2}{343360}$$

Ehangu \frac{-566493.2}{343360} drwy luosi'r rhifiadur a'r enwadur gyda 10.

$$\frac{-5664932}{3433600}$$

Lleihau'r ffracsiwn \frac{-5664932}{3433600} i'r graddau lleiaf posib drwy dynnu a chanslo allan 4.

$$-\frac{1416233}{858400}$$

Ffactor

$$-\frac{1416233}{858400} = -1\frac{557833}{858400} = -1.6498520503261882$$