(51/4div3/5*1/7)div5/8 eching

$$( 5 \frac { 1 } { 4 } \div \frac{ 3 }{ 5 } \times \frac{ 1 }{ 7 } ) \div \frac{ 5 }{ 8 }$$

Baholash

$$2$$

Yechim qadamlari

\frac{5\times 4+1}{4} ni \frac{3}{5} ga bo'lish \frac{5\times 4+1}{4} ga k'paytirish \frac{3}{5} ga qaytarish.

$$\frac{\frac{\left(5\times 4+1\right)\times 5}{4\times 3}\times \frac{1}{7}}{\frac{5}{8}}$$

20 hosil qilish uchun 5 va 4 ni ko'paytirish.

$$\frac{\frac{\left(20+1\right)\times 5}{4\times 3}\times \frac{1}{7}}{\frac{5}{8}}$$

21 olish uchun 20 va 1'ni qo'shing.

$$\frac{\frac{21\times 5}{4\times 3}\times \frac{1}{7}}{\frac{5}{8}}$$

105 hosil qilish uchun 21 va 5 ni ko'paytirish.

$$\frac{\frac{105}{4\times 3}\times \frac{1}{7}}{\frac{5}{8}}$$

12 hosil qilish uchun 4 va 3 ni ko'paytirish.

$$\frac{\frac{105}{12}\times \frac{1}{7}}{\frac{5}{8}}$$

\frac{105}{12} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{\frac{35}{4}\times \frac{1}{7}}{\frac{5}{8}}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{35}{4} ni \frac{1}{7} ga ko‘paytiring.

$$\frac{\frac{35\times 1}{4\times 7}}{\frac{5}{8}}$$

\frac{35\times 1}{4\times 7} kasridagi ko‘paytirishlarni bajaring.

$$\frac{\frac{35}{28}}{\frac{5}{8}}$$

\frac{35}{28} ulushini 7 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{\frac{5}{4}}{\frac{5}{8}}$$

\frac{5}{4} ni \frac{5}{8} ga bo'lish \frac{5}{4} ga k'paytirish \frac{5}{8} ga qaytarish.

$$\frac{5}{4}\times \frac{8}{5}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{5}{4} ni \frac{8}{5} ga ko‘paytiring.

$$\frac{5\times 8}{4\times 5}$$

Surat va maxrajdagi ikkala 5 ni qisqartiring.

$$\frac{8}{4}$$

2 ni olish uchun 8 ni 4 ga bo‘ling.

$$2$$

Omil

$$2$$