(3000-250/147)*399*2= eching

$$( \frac { 3000 - 250 } { 147 } ) \times 399 \times 2 =$$

Baholash

$$\frac{104500}{7}\approx 14928,571428571$$

Yechim qadamlari

2750 olish uchun 3000 dan 250 ni ayirish.

$$\frac{2750}{147}\times 399\times 2$$

\frac{2750}{147}\times 399 ni yagona kasrga aylantiring.

$$\frac{2750\times 399}{147}\times 2$$

1097250 hosil qilish uchun 2750 va 399 ni ko'paytirish.

$$\frac{1097250}{147}\times 2$$

\frac{1097250}{147} ulushini 21 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{52250}{7}\times 2$$

\frac{52250}{7}\times 2 ni yagona kasrga aylantiring.

$$\frac{52250\times 2}{7}$$

104500 hosil qilish uchun 52250 va 2 ni ko'paytirish.

$$\frac{104500}{7}$$

Omil

$$\frac{2 ^ {2} \cdot 5 ^ {3} \cdot 11 \cdot 19}{7} = 14928\frac{4}{7} = 14928,57142857143$$