2019^2-1999^2/(1999-2019)^2 eching

$$\frac { 2019 ^ { 2 } - 1999 ^ { 2 } } { ( 1999 - 2019 ) ^ { 2 } }$$

Baholash

$$\frac{2009}{10}=200,9$$

Yechim qadamlari

2 daraja ko‘rsatkichini 2019 ga hisoblang va 4076361 ni qiymatni oling.

$$\frac{4076361-1999^{2}}{\left(1999-2019\right)^{2}}$$

2 daraja ko‘rsatkichini 1999 ga hisoblang va 3996001 ni qiymatni oling.

$$\frac{4076361-3996001}{\left(1999-2019\right)^{2}}$$

80360 olish uchun 4076361 dan 3996001 ni ayirish.

$$\frac{80360}{\left(1999-2019\right)^{2}}$$

-20 olish uchun 1999 dan 2019 ni ayirish.

$$\frac{80360}{\left(-20\right)^{2}}$$

2 daraja ko‘rsatkichini -20 ga hisoblang va 400 ni qiymatni oling.

$$\frac{80360}{400}$$

\frac{80360}{400} ulushini 40 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{2009}{10}$$

Omil

$$\frac{7 ^ {2} \cdot 41}{2 \cdot 5} = 200\frac{9}{10} = 200,9$$