4/5[(3-3/8)div7/10] eching

$$\frac { 4 } { 5 } [ ( 3 - \frac { 3 } { 8 } ) \div \frac { 7 } { 10 } ]$$

Baholash

$$3$$

Yechim qadamlari

3 ni \frac{24}{8} kasrga o‘giring.

$$\frac{4}{5}\times \frac{\frac{24}{8}-\frac{3}{8}}{\frac{7}{10}}$$

\frac{24}{8} va \frac{3}{8} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{4}{5}\times \frac{\frac{24-3}{8}}{\frac{7}{10}}$$

21 olish uchun 24 dan 3 ni ayirish.

$$\frac{4}{5}\times \frac{\frac{21}{8}}{\frac{7}{10}}$$

\frac{21}{8} ni \frac{7}{10} ga bo'lish \frac{21}{8} ga k'paytirish \frac{7}{10} ga qaytarish.

$$\frac{4}{5}\times \frac{21}{8}\times \frac{10}{7}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{21}{8} ni \frac{10}{7} ga ko‘paytiring.

$$\frac{4}{5}\times \frac{21\times 10}{8\times 7}$$

\frac{21\times 10}{8\times 7} kasridagi ko‘paytirishlarni bajaring.

$$\frac{4}{5}\times \frac{210}{56}$$

\frac{210}{56} ulushini 14 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{4}{5}\times \frac{15}{4}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{4}{5} ni \frac{15}{4} ga ko‘paytiring.

$$\frac{4\times 15}{5\times 4}$$

Surat va maxrajdagi ikkala 4 ni qisqartiring.

$$\frac{15}{5}$$

3 ni olish uchun 15 ni 5 ga bo‘ling.

$$3$$

Omil

$$3$$