-3/7(+3/4):(-5/12)= eching

$$\frac { - 3 } { 7 } ( + \frac { 3 } { 4 } ) : ( - \frac { 5 } { 12 } ) =$$

Baholash

$$\frac{27}{35}\approx 0,771428571$$

Yechim qadamlari

\frac{-3}{7} kasri manfiy belgini olib tashlash bilan -\frac{3}{7} sifatida qayta yozilishi mumkin.

$$\frac{-\frac{3}{7}\times \frac{3}{4}}{-\frac{5}{12}}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{3}{7} ni \frac{3}{4} ga ko‘paytiring.

$$\frac{\frac{-3\times 3}{7\times 4}}{-\frac{5}{12}}$$

\frac{-3\times 3}{7\times 4} kasridagi ko‘paytirishlarni bajaring.

$$\frac{\frac{-9}{28}}{-\frac{5}{12}}$$

\frac{-9}{28} kasri manfiy belgini olib tashlash bilan -\frac{9}{28} sifatida qayta yozilishi mumkin.

$$\frac{-\frac{9}{28}}{-\frac{5}{12}}$$

-\frac{9}{28} ni -\frac{5}{12} ga bo'lish -\frac{9}{28} ga k'paytirish -\frac{5}{12} ga qaytarish.

$$-\frac{9}{28}\left(-\frac{12}{5}\right)$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{9}{28} ni -\frac{12}{5} ga ko‘paytiring.

$$\frac{-9\left(-12\right)}{28\times 5}$$

\frac{-9\left(-12\right)}{28\times 5} kasridagi ko‘paytirishlarni bajaring.

$$\frac{108}{140}$$

\frac{108}{140} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{27}{35}$$

Omil

$$\frac{3 ^ {3}}{5 \cdot 7} = 0,7714285714285715$$