121/2%text{of}80 eching

$$12 \frac { 1 } { 2 } \% \text { of } 80$$

Baholash

$$10$$

Yechim qadamlari

\frac{\frac{12\times 2+1}{2}}{100} ni yagona kasrga aylantiring.

$$\frac{12\times 2+1}{2\times 100}\times 80$$

24 hosil qilish uchun 12 va 2 ni ko'paytirish.

$$\frac{24+1}{2\times 100}\times 80$$

25 olish uchun 24 va 1'ni qo'shing.

$$\frac{25}{2\times 100}\times 80$$

200 hosil qilish uchun 2 va 100 ni ko'paytirish.

$$\frac{25}{200}\times 80$$

\frac{25}{200} ulushini 25 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1}{8}\times 80$$

\frac{80}{8} hosil qilish uchun \frac{1}{8} va 80 ni ko'paytirish.

$$\frac{80}{8}$$

10 ni olish uchun 80 ni 8 ga bo‘ling.

$$10$$

Omil

$$2\times 5$$