-18/5*3/4*1/-2 eching

$$- \frac { 18 } { 5 } \times \frac { 3 } { 4 } \times \frac { 1 } { - 2 }$$

Baholash

$$\frac{27}{20}=1,35$$

Yechim qadamlari

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{18}{5} ni \frac{3}{4} ga ko‘paytiring.

$$\frac{-18\times 3}{5\times 4}\times \frac{1}{-2}$$

\frac{-18\times 3}{5\times 4} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-54}{20}\times \frac{1}{-2}$$

\frac{-54}{20} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{27}{10}\times \frac{1}{-2}$$

\frac{1}{-2} kasri manfiy belgini olib tashlash bilan -\frac{1}{2} sifatida qayta yozilishi mumkin.

$$-\frac{27}{10}\left(-\frac{1}{2}\right)$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{27}{10} ni -\frac{1}{2} ga ko‘paytiring.

$$\frac{-27\left(-1\right)}{10\times 2}$$

\frac{-27\left(-1\right)}{10\times 2} kasridagi ko‘paytirishlarni bajaring.

$$\frac{27}{20}$$

Omil

$$\frac{3 ^ {3}}{2 ^ {2} \cdot 5} = 1\frac{7}{20} = 1,35$$