71/2*(3div5/9) eching

$$7 \frac { 1 } { 2 } \cdot ( 3 \div \frac { 5 } { 9 } )$$

Baholash

$$\frac{81}{2}=40,5$$

Yechim qadamlari

14 hosil qilish uchun 7 va 2 ni ko'paytirish.

$$\frac{14+1}{2}\times \frac{3}{\frac{5}{9}}$$

15 olish uchun 14 va 1'ni qo'shing.

$$\frac{15}{2}\times \frac{3}{\frac{5}{9}}$$

3 ni \frac{5}{9} ga bo'lish 3 ga k'paytirish \frac{5}{9} ga qaytarish.

$$\frac{15}{2}\times 3\times \frac{9}{5}$$

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

$$\frac{15}{2}\times \frac{3\times 9}{5}$$

27 hosil qilish uchun 3 va 9 ni ko'paytirish.

$$\frac{15}{2}\times \frac{27}{5}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{15}{2} ni \frac{27}{5} ga ko‘paytiring.

$$\frac{15\times 27}{2\times 5}$$

\frac{15\times 27}{2\times 5} kasridagi ko‘paytirishlarni bajaring.

$$\frac{405}{10}$$

\frac{405}{10} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{81}{2}$$

Omil

$$\frac{3 ^ {4}}{2} = 40\frac{1}{2} = 40,5$$