2(16/25)^2-1 eching

$$2 ( \frac { 16 } { 25 } ) ^ { 2 } - 1$$

Baholash

$$-\frac{113}{625}=-0,1808$$

Yechim qadamlari

2 daraja ko‘rsatkichini \frac{16}{25} ga hisoblang va \frac{256}{625} ni qiymatni oling.

$$2\times \frac{256}{625}-1$$

2\times \frac{256}{625} ni yagona kasrga aylantiring.

$$\frac{2\times 256}{625}-1$$

512 hosil qilish uchun 2 va 256 ni ko'paytirish.

$$\frac{512}{625}-1$$

1 ni \frac{625}{625} kasrga o‘giring.

$$\frac{512}{625}-\frac{625}{625}$$

\frac{512}{625} va \frac{625}{625} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{512-625}{625}$$

-113 olish uchun 512 dan 625 ni ayirish.

$$-\frac{113}{625}$$

Omil

$$-\frac{113}{625} = -0,1808$$