(28-53)*4+(124%4-30%5) eching

$$( 28 - 53 ) \cdot 4 + ( 124 \% 4 - 30 \% 5 )$$

Baholash

$$-\frac{4827}{50}=-96,54$$

Yechim qadamlari

-25 olish uchun 28 dan 53 ni ayirish.

$$-25\times 4+\frac{124}{100}\times 4-\frac{30}{100}\times 5$$

-100 hosil qilish uchun -25 va 4 ni ko'paytirish.

$$-100+\frac{124}{100}\times 4-\frac{30}{100}\times 5$$

\frac{124}{100} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-100+\frac{31}{25}\times 4-\frac{30}{100}\times 5$$

\frac{31}{25}\times 4 ni yagona kasrga aylantiring.

$$-100+\frac{31\times 4}{25}-\frac{30}{100}\times 5$$

124 hosil qilish uchun 31 va 4 ni ko'paytirish.

$$-100+\frac{124}{25}-\frac{30}{100}\times 5$$

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

$$-100+\frac{124}{25}-\frac{3}{10}\times 5$$

\frac{3}{10}\times 5 ni yagona kasrga aylantiring.

$$-100+\frac{124}{25}-\frac{3\times 5}{10}$$

15 hosil qilish uchun 3 va 5 ni ko'paytirish.

$$-100+\frac{124}{25}-\frac{15}{10}$$

\frac{15}{10} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-100+\frac{124}{25}-\frac{3}{2}$$

25 va 2 ning eng kichik umumiy karralisi 50 ga teng. \frac{124}{25} va \frac{3}{2} ni 50 maxraj bilan kasrlarga aylantirib oling.

$$-100+\frac{248}{50}-\frac{75}{50}$$

\frac{248}{50} va \frac{75}{50} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$-100+\frac{248-75}{50}$$

173 olish uchun 248 dan 75 ni ayirish.

$$-100+\frac{173}{50}$$

-100 ni -\frac{5000}{50} kasrga o‘giring.

$$-\frac{5000}{50}+\frac{173}{50}$$

-\frac{5000}{50} va \frac{173}{50} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{-5000+173}{50}$$

-4827 olish uchun -5000 va 173'ni qo'shing.

$$-\frac{4827}{50}$$

Omil

$$-\frac{4827}{50} = -96\frac{27}{50} = -96,54$$