(-1/2-3)(-1/2+1)-({left(-1/2right)}^2-2) eching

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

Baholash

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Yechim qadamlari

3 ni \frac{6}{2} kasrga o‘giring.

$$\left(-\frac{1}{2}-\frac{6}{2}\right)\left(-\frac{1}{2}+1\right)-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

-\frac{1}{2} va \frac{6}{2} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{-1-6}{2}\left(-\frac{1}{2}+1\right)-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

-7 olish uchun -1 dan 6 ni ayirish.

$$-\frac{7}{2}\left(-\frac{1}{2}+1\right)-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

1 ni \frac{2}{2} kasrga o‘giring.

$$-\frac{7}{2}\left(-\frac{1}{2}+\frac{2}{2}\right)-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

-\frac{1}{2} va \frac{2}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$-\frac{7}{2}\times \frac{-1+2}{2}-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

1 olish uchun -1 va 2'ni qo'shing.

$$-\frac{7}{2}\times \frac{1}{2}-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{7}{2} ni \frac{1}{2} ga ko‘paytiring.

$$\frac{-7}{2\times 2}-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

\frac{-7}{2\times 2} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-7}{4}-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

\frac{-7}{4} kasri manfiy belgini olib tashlash bilan -\frac{7}{4} sifatida qayta yozilishi mumkin.

$$-\frac{7}{4}-\left(\left(-\frac{1}{2}\right)^{2}-2\right)$$

2 daraja ko‘rsatkichini -\frac{1}{2} ga hisoblang va \frac{1}{4} ni qiymatni oling.

$$-\frac{7}{4}-\left(\frac{1}{4}-2\right)$$

2 ni \frac{8}{4} kasrga o‘giring.

$$-\frac{7}{4}-\left(\frac{1}{4}-\frac{8}{4}\right)$$

\frac{1}{4} va \frac{8}{4} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$-\frac{7}{4}-\frac{1-8}{4}$$

-7 olish uchun 1 dan 8 ni ayirish.

$$-\frac{7}{4}-\left(-\frac{7}{4}\right)$$

-\frac{7}{4} ning teskarisi \frac{7}{4} ga teng.

$$-\frac{7}{4}+\frac{7}{4}$$

0 olish uchun -\frac{7}{4} va \frac{7}{4}'ni qo'shing.

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Omil

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