4/7div8/21-6/11*22/25 eching

$$\frac { 4 } { 7 } \div \frac { 8 } { 21 } - \frac { 6 } { 11 } \times \frac { 22 } { 25 }$$

Baholash

$$\frac{51}{50}=1,02$$

Yechim qadamlari

\frac{4}{7} ni \frac{8}{21} ga bo'lish \frac{4}{7} ga k'paytirish \frac{8}{21} ga qaytarish.

$$\frac{4}{7}\times \frac{21}{8}-\frac{6}{11}\times \frac{22}{25}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{4}{7} ni \frac{21}{8} ga ko‘paytiring.

$$\frac{4\times 21}{7\times 8}-\frac{6}{11}\times \frac{22}{25}$$

\frac{4\times 21}{7\times 8} kasridagi ko‘paytirishlarni bajaring.

$$\frac{84}{56}-\frac{6}{11}\times \frac{22}{25}$$

\frac{84}{56} ulushini 28 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{3}{2}-\frac{6}{11}\times \frac{22}{25}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{6}{11} ni \frac{22}{25} ga ko‘paytiring.

$$\frac{3}{2}-\frac{6\times 22}{11\times 25}$$

\frac{6\times 22}{11\times 25} kasridagi ko‘paytirishlarni bajaring.

$$\frac{3}{2}-\frac{132}{275}$$

\frac{132}{275} ulushini 11 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{3}{2}-\frac{12}{25}$$

2 va 25 ning eng kichik umumiy karralisi 50 ga teng. \frac{3}{2} va \frac{12}{25} ni 50 maxraj bilan kasrlarga aylantirib oling.

$$\frac{75}{50}-\frac{24}{50}$$

\frac{75}{50} va \frac{24}{50} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{75-24}{50}$$

51 olish uchun 75 dan 24 ni ayirish.

$$\frac{51}{50}$$

Omil

$$\frac{3 \cdot 17}{2 \cdot 5 ^ {2}} = 1\frac{1}{50} = 1,02$$