55/8*12/5 eching

$$5 \frac { 5 } { 8 } \times 1 \frac { 2 } { 5 }$$

Baholash

$$\frac{63}{8}=7,875$$

Yechim qadamlari

40 hosil qilish uchun 5 va 8 ni ko'paytirish.

$$\frac{40+5}{8}\times \frac{1\times 5+2}{5}$$

45 olish uchun 40 va 5'ni qo'shing.

$$\frac{45}{8}\times \frac{1\times 5+2}{5}$$

5 hosil qilish uchun 1 va 5 ni ko'paytirish.

$$\frac{45}{8}\times \frac{5+2}{5}$$

7 olish uchun 5 va 2'ni qo'shing.

$$\frac{45}{8}\times \frac{7}{5}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{45}{8} ni \frac{7}{5} ga ko‘paytiring.

$$\frac{45\times 7}{8\times 5}$$

\frac{45\times 7}{8\times 5} kasridagi ko‘paytirishlarni bajaring.

$$\frac{315}{40}$$

\frac{315}{40} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{63}{8}$$

Omil

$$\frac{3 ^ {2} \cdot 7}{2 ^ {3}} = 7\frac{7}{8} = 7,875$$