-3/5div(2/7*11/4) eching

$$- \frac { 3 } { 5 } \div ( \frac { 2 } { 7 } \times 1 \frac { 1 } { 4 } )$$

Baholash

$$-\frac{42}{25}=-1,68$$

Yechim qadamlari

4 hosil qilish uchun 1 va 4 ni ko'paytirish.

$$\frac{-\frac{3}{5}}{\frac{2}{7}\times \frac{4+1}{4}}$$

5 olish uchun 4 va 1'ni qo'shing.

$$\frac{-\frac{3}{5}}{\frac{2}{7}\times \frac{5}{4}}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{2}{7} ni \frac{5}{4} ga ko‘paytiring.

$$\frac{-\frac{3}{5}}{\frac{2\times 5}{7\times 4}}$$

\frac{2\times 5}{7\times 4} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-\frac{3}{5}}{\frac{10}{28}}$$

\frac{10}{28} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{-\frac{3}{5}}{\frac{5}{14}}$$

-\frac{3}{5} ni \frac{5}{14} ga bo'lish -\frac{3}{5} ga k'paytirish \frac{5}{14} ga qaytarish.

$$-\frac{3}{5}\times \frac{14}{5}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{3}{5} ni \frac{14}{5} ga ko‘paytiring.

$$\frac{-3\times 14}{5\times 5}$$

\frac{-3\times 14}{5\times 5} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-42}{25}$$

\frac{-42}{25} kasri manfiy belgini olib tashlash bilan -\frac{42}{25} sifatida qayta yozilishi mumkin.

$$-\frac{42}{25}$$

Omil

$$-\frac{42}{25} = -1\frac{17}{25} = -1,68$$