300*(1+15%) eching

$$300 \times (1+15 \% )$$

Baholash

$$345$$

Yechim qadamlari

\frac{15}{100} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$300\left(1+\frac{3}{20}\right)$$

1 ni \frac{20}{20} kasrga o‘giring.

$$300\left(\frac{20}{20}+\frac{3}{20}\right)$$

\frac{20}{20} va \frac{3}{20} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$300\times \frac{20+3}{20}$$

23 olish uchun 20 va 3'ni qo'shing.

$$300\times \frac{23}{20}$$

300\times \frac{23}{20} ni yagona kasrga aylantiring.

$$\frac{300\times 23}{20}$$

6900 hosil qilish uchun 300 va 23 ni ko'paytirish.

$$\frac{6900}{20}$$

345 ni olish uchun 6900 ni 20 ga bo‘ling.

$$345$$

Omil

$$3\times 5\times 23$$