3/5div7/10*(-15/9)= eching

$$\frac { 3 } { 5 } \div \frac { 7 } { 10 } \times ( - 1 \frac { 5 } { 9 } ) =$$

Baholash

$$-\frac{4}{3}\approx -1,333333333$$

Yechim qadamlari

\frac{3}{5} ni \frac{7}{10} ga bo'lish \frac{3}{5} ga k'paytirish \frac{7}{10} ga qaytarish.

$$\frac{3}{5}\times \frac{10}{7}\left(-\frac{1\times 9+5}{9}\right)$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{5} ni \frac{10}{7} ga ko‘paytiring.

$$\frac{3\times 10}{5\times 7}\left(-\frac{1\times 9+5}{9}\right)$$

\frac{3\times 10}{5\times 7} kasridagi ko‘paytirishlarni bajaring.

$$\frac{30}{35}\left(-\frac{1\times 9+5}{9}\right)$$

\frac{30}{35} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{6}{7}\left(-\frac{1\times 9+5}{9}\right)$$

9 hosil qilish uchun 1 va 9 ni ko'paytirish.

$$\frac{6}{7}\left(-\frac{9+5}{9}\right)$$

14 olish uchun 9 va 5'ni qo'shing.

$$\frac{6}{7}\left(-\frac{14}{9}\right)$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{6}{7} ni -\frac{14}{9} ga ko‘paytiring.

$$\frac{6\left(-14\right)}{7\times 9}$$

\frac{6\left(-14\right)}{7\times 9} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-84}{63}$$

\frac{-84}{63} ulushini 21 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{4}{3}$$

Omil

$$-\frac{4}{3} = -1\frac{1}{3} = -1,3333333333333333$$