Datrys 3.25*3.25+1.75*1.75-2*3.25*1.75/3.25*3.25-1.75*1.75

$$\frac { 3.25 \times 3.25 + 1.75 \times 1.75 - 2 \times 3.25 \times 1.75 } { 3.25 \times 3.25 - 1.75 \times 1.75 }$$

Enrhifo

$$0.3$$

Camau Ateb

Lluosi 3.25 a 3.25 i gael 10.5625.

$$\frac{10.5625+1.75\times 1.75-2\times 3.25\times 1.75}{3.25\times 3.25-1.75\times 1.75}$$

Lluosi 1.75 a 1.75 i gael 3.0625.

$$\frac{10.5625+3.0625-2\times 3.25\times 1.75}{3.25\times 3.25-1.75\times 1.75}$$

Adio 10.5625 a 3.0625 i gael 13.625.

$$\frac{13.625-2\times 3.25\times 1.75}{3.25\times 3.25-1.75\times 1.75}$$

Lluosi 2 a 3.25 i gael 6.5.

$$\frac{13.625-6.5\times 1.75}{3.25\times 3.25-1.75\times 1.75}$$

Lluosi 6.5 a 1.75 i gael 11.375.

$$\frac{13.625-11.375}{3.25\times 3.25-1.75\times 1.75}$$

Tynnu 11.375 o 13.625 i gael 2.25.

$$\frac{2.25}{3.25\times 3.25-1.75\times 1.75}$$

Lluosi 3.25 a 3.25 i gael 10.5625.

$$\frac{2.25}{10.5625-1.75\times 1.75}$$

Lluosi 1.75 a 1.75 i gael 3.0625.

$$\frac{2.25}{10.5625-3.0625}$$

Tynnu 3.0625 o 10.5625 i gael 7.5.

$$\frac{2.25}{7.5}$$

Ehangu \frac{2.25}{7.5} drwy luosi'r rhifiadur a'r enwadur gyda 100.

$$\frac{225}{750}$$

Lleihau'r ffracsiwn \frac{225}{750} i'r graddau lleiaf posib drwy dynnu a chanslo allan 75.

$$\frac{3}{10}$$

Ffactor

$$\frac{3}{2 \cdot 5} = 0.3$$