-3/7*3/6*(-45)*20 eching

$$- \frac { 3 } { 7 } \times \frac { 3 } { 6 } \times ( - 45 ) \times 20$$

Baholash

$$\frac{1350}{7}\approx 192,857142857$$

Yechim qadamlari

\frac{3}{6} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{3}{7}\times \frac{1}{2}\left(-45\right)\times 20$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{3}{7} ni \frac{1}{2} ga ko‘paytiring.

$$\frac{-3}{7\times 2}\left(-45\right)\times 20$$

\frac{-3}{7\times 2} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-3}{14}\left(-45\right)\times 20$$

\frac{-3}{14} kasri manfiy belgini olib tashlash bilan -\frac{3}{14} sifatida qayta yozilishi mumkin.

$$-\frac{3}{14}\left(-45\right)\times 20$$

-\frac{3}{14}\left(-45\right) ni yagona kasrga aylantiring.

$$\frac{-3\left(-45\right)}{14}\times 20$$

135 hosil qilish uchun -3 va -45 ni ko'paytirish.

$$\frac{135}{14}\times 20$$

\frac{135}{14}\times 20 ni yagona kasrga aylantiring.

$$\frac{135\times 20}{14}$$

2700 hosil qilish uchun 135 va 20 ni ko'paytirish.

$$\frac{2700}{14}$$

\frac{2700}{14} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1350}{7}$$

Omil

$$\frac{2 \cdot 3 ^ {3} \cdot 5 ^ {2}}{7} = 192\frac{6}{7} = 192,85714285714286$$