55/2(55)-10-3 eching

$$\frac{ 55 }{ 2(55)-10 } -3$$

Baholash

$$-\frac{49}{20}=-2,45$$

Yechim qadamlari

110 hosil qilish uchun 2 va 55 ni ko'paytirish.

$$\frac{55}{110-10}-3$$

100 olish uchun 110 dan 10 ni ayirish.

$$\frac{55}{100}-3$$

\frac{55}{100} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{11}{20}-3$$

3 ni \frac{60}{20} kasrga o‘giring.

$$\frac{11}{20}-\frac{60}{20}$$

\frac{11}{20} va \frac{60}{20} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{11-60}{20}$$

-49 olish uchun 11 dan 60 ni ayirish.

$$-\frac{49}{20}$$

Omil

$$-\frac{49}{20} = -2\frac{9}{20} = -2,45$$