41/5*32/7 eching

$$4 \frac { 1 } { 5 } \times 3 \frac { 2 } { 7 }$$

Baholash

$$\frac{69}{5}=13,8$$

Yechim qadamlari

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

$$\frac{20+1}{5}\times \frac{3\times 7+2}{7}$$

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

$$\frac{21}{5}\times \frac{3\times 7+2}{7}$$

21 hosil qilish uchun 3 va 7 ni ko'paytirish.

$$\frac{21}{5}\times \frac{21+2}{7}$$

23 olish uchun 21 va 2'ni qo'shing.

$$\frac{21}{5}\times \frac{23}{7}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{21}{5} ni \frac{23}{7} ga ko‘paytiring.

$$\frac{21\times 23}{5\times 7}$$

\frac{21\times 23}{5\times 7} kasridagi ko‘paytirishlarni bajaring.

$$\frac{483}{35}$$

\frac{483}{35} ulushini 7 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{69}{5}$$

Omil

$$\frac{3 \cdot 23}{5} = 13\frac{4}{5} = 13,8$$