2/3div2/5div3/7= eching

$$\frac { 2 } { 3 } \div \frac { 2 } { 5 } \div \frac { 3 } { 7 } =$$

Baholash

$$\frac{35}{9}\approx 3,888888889$$

Yechim qadamlari

\frac{\frac{2}{3}}{\frac{2}{5}} ni \frac{3}{7} ga bo'lish \frac{\frac{2}{3}}{\frac{2}{5}} ga k'paytirish \frac{3}{7} ga qaytarish.

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

\frac{2}{3}\times 7 ni yagona kasrga aylantiring.

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

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

$$\frac{\frac{14}{3}}{\frac{2}{5}\times 3}$$

\frac{2}{5}\times 3 ni yagona kasrga aylantiring.

$$\frac{\frac{14}{3}}{\frac{2\times 3}{5}}$$

6 hosil qilish uchun 2 va 3 ni ko'paytirish.

$$\frac{\frac{14}{3}}{\frac{6}{5}}$$

\frac{14}{3} ni \frac{6}{5} ga bo'lish \frac{14}{3} ga k'paytirish \frac{6}{5} ga qaytarish.

$$\frac{14}{3}\times \frac{5}{6}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{14}{3} ni \frac{5}{6} ga ko‘paytiring.

$$\frac{14\times 5}{3\times 6}$$

\frac{14\times 5}{3\times 6} kasridagi ko‘paytirishlarni bajaring.

$$\frac{70}{18}$$

\frac{70}{18} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{35}{9}$$

Omil

$$\frac{5 \cdot 7}{3 ^ {2}} = 3\frac{8}{9} = 3,888888888888889$$