150%text{of}15+75%text{of}75=? eching

$$150 \% \text { of } 15 + 75 \% \text { of } 75 = ?$$

Baholash

$$\frac{315}{4}=78,75$$

Yechim qadamlari

\frac{150}{100} ulushini 50 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{3}{2}\times 15+\frac{75}{100}\times 75$$

\frac{3}{2}\times 15 ni yagona kasrga aylantiring.

$$\frac{3\times 15}{2}+\frac{75}{100}\times 75$$

45 hosil qilish uchun 3 va 15 ni ko'paytirish.

$$\frac{45}{2}+\frac{75}{100}\times 75$$

\frac{75}{100} ulushini 25 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{45}{2}+\frac{3}{4}\times 75$$

\frac{3}{4}\times 75 ni yagona kasrga aylantiring.

$$\frac{45}{2}+\frac{3\times 75}{4}$$

225 hosil qilish uchun 3 va 75 ni ko'paytirish.

$$\frac{45}{2}+\frac{225}{4}$$

2 va 4 ning eng kichik umumiy karralisi 4 ga teng. \frac{45}{2} va \frac{225}{4} ni 4 maxraj bilan kasrlarga aylantirib oling.

$$\frac{90}{4}+\frac{225}{4}$$

\frac{90}{4} va \frac{225}{4} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{90+225}{4}$$

315 olish uchun 90 va 225'ni qo'shing.

$$\frac{315}{4}$$

Omil

$$\frac{3 ^ {2} \cdot 5 \cdot 7}{2 ^ {2}} = 78\frac{3}{4} = 78,75$$