11/15div-23/5div9/13 eching

$$\frac { 11 } { 15 } \div - 2 \frac { 3 } { 5 } \div \frac { 9 } { 13 }$$

Baholash

$$-\frac{11}{27}\approx -0,407407407$$

Yechim qadamlari

\frac{\frac{11}{15}}{-\frac{2\times 5+3}{5}} ni \frac{9}{13} ga bo'lish \frac{\frac{11}{15}}{-\frac{2\times 5+3}{5}} ga k'paytirish \frac{9}{13} ga qaytarish.

$$\frac{\frac{11}{15}\times 13}{\left(-\frac{2\times 5+3}{5}\right)\times 9}$$

\frac{11}{15}\times 13 ni yagona kasrga aylantiring.

$$\frac{\frac{11\times 13}{15}}{\left(-\frac{2\times 5+3}{5}\right)\times 9}$$

143 hosil qilish uchun 11 va 13 ni ko'paytirish.

$$\frac{\frac{143}{15}}{\left(-\frac{2\times 5+3}{5}\right)\times 9}$$

10 hosil qilish uchun 2 va 5 ni ko'paytirish.

$$\frac{\frac{143}{15}}{\left(-\frac{10+3}{5}\right)\times 9}$$

13 olish uchun 10 va 3'ni qo'shing.

$$\frac{\frac{143}{15}}{-\frac{13}{5}\times 9}$$

-\frac{13}{5}\times 9 ni yagona kasrga aylantiring.

$$\frac{\frac{143}{15}}{\frac{-13\times 9}{5}}$$

-117 hosil qilish uchun -13 va 9 ni ko'paytirish.

$$\frac{\frac{143}{15}}{\frac{-117}{5}}$$

\frac{-117}{5} kasri manfiy belgini olib tashlash bilan -\frac{117}{5} sifatida qayta yozilishi mumkin.

$$\frac{\frac{143}{15}}{-\frac{117}{5}}$$

\frac{143}{15} ni -\frac{117}{5} ga bo'lish \frac{143}{15} ga k'paytirish -\frac{117}{5} ga qaytarish.

$$\frac{143}{15}\left(-\frac{5}{117}\right)$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{143}{15} ni -\frac{5}{117} ga ko‘paytiring.

$$\frac{143\left(-5\right)}{15\times 117}$$

\frac{143\left(-5\right)}{15\times 117} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-715}{1755}$$

\frac{-715}{1755} ulushini 65 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{11}{27}$$

Omil

$$-\frac{11}{27} = -0,4074074074074074$$