11/2*34/5 eching

$$1 \frac{ 1 }{ 2 } \times 3 \frac{ 4 }{ 5 }$$

Baholash

$$\frac{57}{10}=5,7$$

Yechim qadamlari

2 hosil qilish uchun 1 va 2 ni ko'paytirish.

$$\frac{2+1}{2}\times \frac{3\times 5+4}{5}$$

3 olish uchun 2 va 1'ni qo'shing.

$$\frac{3}{2}\times \frac{3\times 5+4}{5}$$

15 hosil qilish uchun 3 va 5 ni ko'paytirish.

$$\frac{3}{2}\times \frac{15+4}{5}$$

19 olish uchun 15 va 4'ni qo'shing.

$$\frac{3}{2}\times \frac{19}{5}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{2} ni \frac{19}{5} ga ko‘paytiring.

$$\frac{3\times 19}{2\times 5}$$

\frac{3\times 19}{2\times 5} kasridagi ko‘paytirishlarni bajaring.

$$\frac{57}{10}$$

Omil

$$\frac{3 \cdot 19}{2 \cdot 5} = 5\frac{7}{10} = 5,7$$