40+[405/35]*10 eching

$$40 + [ \frac { 405 } { 35 } ] \times 10$$

Baholash

$$\frac{1090}{7}\approx 155,714285714$$

Yechim qadamlari

\frac{405}{35} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$40+\frac{81}{7}\times 10$$

\frac{81}{7}\times 10 ni yagona kasrga aylantiring.

$$40+\frac{81\times 10}{7}$$

810 hosil qilish uchun 81 va 10 ni ko'paytirish.

$$40+\frac{810}{7}$$

40 ni \frac{280}{7} kasrga o‘giring.

$$\frac{280}{7}+\frac{810}{7}$$

\frac{280}{7} va \frac{810}{7} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{280+810}{7}$$

1090 olish uchun 280 va 810'ni qo'shing.

$$\frac{1090}{7}$$

Omil

$$\frac{2 \cdot 5 \cdot 109}{7} = 155\frac{5}{7} = 155,71428571428572$$