3/r-2-2r/3r eching

$$\frac { 3 } { r - 2 } - \frac { 2 r } { 3 r }$$

Baholash

$$\frac{13-2r}{3\left(r-2\right)}$$

Qisqa yechim qadamlari

Surat va maxrajdagi ikkala r ni qisqartiring.

$$\frac{3}{r-2}-\frac{2}{3}$$

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. r-2 va 3 ning eng kichik umumiy karralisi 3\left(r-2\right). \frac{3}{r-2} ni \frac{3}{3} marotabaga ko'paytirish. \frac{2}{3} ni \frac{r-2}{r-2} marotabaga ko'paytirish.

$$\frac{3\times 3}{3\left(r-2\right)}-\frac{2\left(r-2\right)}{3\left(r-2\right)}$$

\frac{3\times 3}{3\left(r-2\right)} va \frac{2\left(r-2\right)}{3\left(r-2\right)} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{3\times 3-2\left(r-2\right)}{3\left(r-2\right)}$$

3\times 3-2\left(r-2\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{9-2r+4}{3\left(r-2\right)}$$

9-2r+4 kabi iboralarga o‘xshab birlashtiring.

$$\frac{13-2r}{3\left(r-2\right)}$$

3\left(r-2\right) ni kengaytirish.

$$\frac{13-2r}{3r-6}$$

Omil

$$\frac{13-2r}{3\left(r-2\right)}$$