-3left(1-5right)+2left(3-5right)^2/left(4-8right)^2+2-1^5 eching

$$\frac{ -3 \left( 1-5 \right) +2 { \left(3-5 \right) }^{ 2 } }{ { \left(4-8 \right) }^{ 2 } +2 { -1 }^{ 5 } }$$

Baholash

$$\frac{10}{7}\approx 1,428571429$$

Yechim qadamlari

-4 olish uchun 1 dan 5 ni ayirish.

$$\frac{-3\left(-4\right)+2\left(3-5\right)^{2}}{\left(4-8\right)^{2}+2\left(-1\right)^{5}}$$

12 hosil qilish uchun -3 va -4 ni ko'paytirish.

$$\frac{12+2\left(3-5\right)^{2}}{\left(4-8\right)^{2}+2\left(-1\right)^{5}}$$

-2 olish uchun 3 dan 5 ni ayirish.

$$\frac{12+2\left(-2\right)^{2}}{\left(4-8\right)^{2}+2\left(-1\right)^{5}}$$

2 daraja ko‘rsatkichini -2 ga hisoblang va 4 ni qiymatni oling.

$$\frac{12+2\times 4}{\left(4-8\right)^{2}+2\left(-1\right)^{5}}$$

8 hosil qilish uchun 2 va 4 ni ko'paytirish.

$$\frac{12+8}{\left(4-8\right)^{2}+2\left(-1\right)^{5}}$$

20 olish uchun 12 va 8'ni qo'shing.

$$\frac{20}{\left(4-8\right)^{2}+2\left(-1\right)^{5}}$$

-4 olish uchun 4 dan 8 ni ayirish.

$$\frac{20}{\left(-4\right)^{2}+2\left(-1\right)^{5}}$$

2 daraja ko‘rsatkichini -4 ga hisoblang va 16 ni qiymatni oling.

$$\frac{20}{16+2\left(-1\right)^{5}}$$

5 daraja ko‘rsatkichini -1 ga hisoblang va -1 ni qiymatni oling.

$$\frac{20}{16+2\left(-1\right)}$$

-2 hosil qilish uchun 2 va -1 ni ko'paytirish.

$$\frac{20}{16-2}$$

14 olish uchun 16 dan 2 ni ayirish.

$$\frac{20}{14}$$

\frac{20}{14} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{10}{7}$$

Omil

$$\frac{2 \cdot 5}{7} = 1\frac{3}{7} = 1,4285714285714286$$