45+12%text{of}45 eching

$$45 + 12 \% \text { of } 45$$

Baholash

$$\frac{252}{5}=50,4$$

Yechim qadamlari

\frac{12}{100} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$45+\frac{3}{25}\times 45$$

\frac{3}{25}\times 45 ni yagona kasrga aylantiring.

$$45+\frac{3\times 45}{25}$$

135 hosil qilish uchun 3 va 45 ni ko'paytirish.

$$45+\frac{135}{25}$$

\frac{135}{25} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$45+\frac{27}{5}$$

45 ni \frac{225}{5} kasrga o‘giring.

$$\frac{225}{5}+\frac{27}{5}$$

\frac{225}{5} va \frac{27}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{225+27}{5}$$

252 olish uchun 225 va 27'ni qo'shing.

$$\frac{252}{5}$$

Omil

$$\frac{2 ^ {2} \cdot 3 ^ {2} \cdot 7}{5} = 50\frac{2}{5} = 50,4$$