11/2*24/5 eching

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

Baholash

$$\frac{21}{5}=4,2$$

Yechim qadamlari

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

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

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

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

10 hosil qilish uchun 2 va 5 ni ko'paytirish.

$$\frac{3}{2}\times \frac{10+4}{5}$$

14 olish uchun 10 va 4'ni qo'shing.

$$\frac{3}{2}\times \frac{14}{5}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{2} ni \frac{14}{5} ga ko‘paytiring.

$$\frac{3\times 14}{2\times 5}$$

\frac{3\times 14}{2\times 5} kasridagi ko‘paytirishlarni bajaring.

$$\frac{42}{10}$$

\frac{42}{10} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{21}{5}$$

Omil

$$\frac{3 \cdot 7}{5} = 4\frac{1}{5} = 4,2$$