80%*025-60%div4 eching

$$80 \% \times 025 - 60 \% \div 4$$

Baholash

$$-\frac{3}{20}=-0,15$$

Yechim qadamlari

\frac{80}{100} ulushini 20 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{4}{5}\times 0\times 25-\frac{\frac{60}{100}}{4}$$

0 hosil qilish uchun \frac{4}{5} va 0 ni ko'paytirish.

$$0\times 25-\frac{\frac{60}{100}}{4}$$

0 hosil qilish uchun 0 va 25 ni ko'paytirish.

$$0-\frac{\frac{60}{100}}{4}$$

\frac{\frac{60}{100}}{4} ni yagona kasrga aylantiring.

$$0-\frac{60}{100\times 4}$$

400 hosil qilish uchun 100 va 4 ni ko'paytirish.

$$0-\frac{60}{400}$$

\frac{60}{400} ulushini 20 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$0-\frac{3}{20}$$

-\frac{3}{20} olish uchun 0 dan \frac{3}{20} ni ayirish.

$$-\frac{3}{20}$$

Omil

$$-\frac{3}{20} = -0,15$$