3+1/5:7/2 eching

$$3 + \frac { 1 } { 5 } : \frac { 7 } { 2 }$$

Baholash

$$\frac{107}{35}\approx 3,057142857$$

Yechim qadamlari

\frac{1}{5} ni \frac{7}{2} ga bo'lish \frac{1}{5} ga k'paytirish \frac{7}{2} ga qaytarish.

$$3+\frac{1}{5}\times \frac{2}{7}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{1}{5} ni \frac{2}{7} ga ko‘paytiring.

$$3+\frac{1\times 2}{5\times 7}$$

\frac{1\times 2}{5\times 7} kasridagi ko‘paytirishlarni bajaring.

$$3+\frac{2}{35}$$

3 ni \frac{105}{35} kasrga o‘giring.

$$\frac{105}{35}+\frac{2}{35}$$

\frac{105}{35} va \frac{2}{35} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{105+2}{35}$$

107 olish uchun 105 va 2'ni qo'shing.

$$\frac{107}{35}$$

Omil

$$\frac{107}{5 \cdot 7} = 3\frac{2}{35} = 3,057142857142857$$