4-1/7*11/9 eching

$$4 \frac { - 1 } { 7 } \cdot 1 \frac { 1 } { 9 }$$

Baholash

$$\frac{30}{7}\approx 4,285714286$$

Yechim qadamlari

28 hosil qilish uchun 4 va 7 ni ko'paytirish.

$$\frac{28-1}{7}\times \frac{1\times 9+1}{9}$$

27 olish uchun 28 dan 1 ni ayirish.

$$\frac{27}{7}\times \frac{1\times 9+1}{9}$$

9 hosil qilish uchun 1 va 9 ni ko'paytirish.

$$\frac{27}{7}\times \frac{9+1}{9}$$

10 olish uchun 9 va 1'ni qo'shing.

$$\frac{27}{7}\times \frac{10}{9}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{27}{7} ni \frac{10}{9} ga ko‘paytiring.

$$\frac{27\times 10}{7\times 9}$$

\frac{27\times 10}{7\times 9} kasridagi ko‘paytirishlarni bajaring.

$$\frac{270}{63}$$

\frac{270}{63} ulushini 9 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{30}{7}$$

Omil

$$\frac{2 \cdot 3 \cdot 5}{7} = 4\frac{2}{7} = 4,285714285714286$$