100*(1+30%) eching

$$100 \times ( 1 + 30 \% )$$

Baholash

$$130$$

Yechim qadamlari

\frac{30}{100} ulushini 10 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$100\left(1+\frac{3}{10}\right)$$

1 ni \frac{10}{10} kasrga o‘giring.

$$100\left(\frac{10}{10}+\frac{3}{10}\right)$$

\frac{10}{10} va \frac{3}{10} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$100\times \frac{10+3}{10}$$

13 olish uchun 10 va 3'ni qo'shing.

$$100\times \frac{13}{10}$$

100\times \frac{13}{10} ni yagona kasrga aylantiring.

$$\frac{100\times 13}{10}$$

1300 hosil qilish uchun 100 va 13 ni ko'paytirish.

$$\frac{1300}{10}$$

130 ni olish uchun 1300 ni 10 ga bo‘ling.

$$130$$

Omil

$$2\times 5\times 13$$