250+250*77div100 eching

$$250+250 \times 77 \div 100$$

Baholash

$$\frac{885}{2}=442,5$$

Yechim qadamlari

19250 hosil qilish uchun 250 va 77 ni ko'paytirish.

$$250+\frac{19250}{100}$$

\frac{19250}{100} ulushini 50 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$250+\frac{385}{2}$$

250 ni \frac{500}{2} kasrga o‘giring.

$$\frac{500}{2}+\frac{385}{2}$$

\frac{500}{2} va \frac{385}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{500+385}{2}$$

885 olish uchun 500 va 385'ni qo'shing.

$$\frac{885}{2}$$

Omil

$$\frac{3 \cdot 5 \cdot 59}{2} = 442\frac{1}{2} = 442,5$$