[(2)(-3/4):(-2/3)] eching

$$[ ( 2 ) ( - 3 / 4 ) : ( - 2 / 3 ) ]$$

Baholash

$$\frac{9}{4}=2,25$$

Yechim qadamlari

2\left(-\frac{3}{4}\right) ni yagona kasrga aylantiring.

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

-6 hosil qilish uchun 2 va -3 ni ko'paytirish.

$$\frac{\frac{-6}{4}}{-\frac{2}{3}}$$

\frac{-6}{4} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

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

-\frac{3}{2} ni -\frac{2}{3} ga bo'lish -\frac{3}{2} ga k'paytirish -\frac{2}{3} ga qaytarish.

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

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{3}{2} ni -\frac{3}{2} ga ko‘paytiring.

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

\frac{-3\left(-3\right)}{2\times 2} kasridagi ko‘paytirishlarni bajaring.

$$\frac{9}{4}$$

Omil

$$\frac{3 ^ {2}}{2 ^ {2}} = 2\frac{1}{4} = 2,25$$