(3/4*5/6)-4= eching

$$( \frac { 3 } { 4 } \cdot \frac { 5 } { 6 } ) - 4 =$$

Baholash

$$-\frac{27}{8}=-3,375$$

Yechim qadamlari

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{4} ni \frac{5}{6} ga ko‘paytiring.

$$\frac{3\times 5}{4\times 6}-4$$

\frac{3\times 5}{4\times 6} kasridagi ko‘paytirishlarni bajaring.

$$\frac{15}{24}-4$$

\frac{15}{24} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{5}{8}-4$$

4 ni \frac{32}{8} kasrga o‘giring.

$$\frac{5}{8}-\frac{32}{8}$$

\frac{5}{8} va \frac{32}{8} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{5-32}{8}$$

-27 olish uchun 5 dan 32 ni ayirish.

$$-\frac{27}{8}$$

Omil

$$-\frac{27}{8} = -3\frac{3}{8} = -3,375$$