-5/2+-1/2 eching

$$\frac { \frac { - 5 } { 2 } + - 1 } { 2 }$$

Baholash

$$-\frac{7}{4}=-1,75$$

Yechim qadamlari

\frac{-5}{2} kasri manfiy belgini olib tashlash bilan -\frac{5}{2} sifatida qayta yozilishi mumkin.

$$\frac{-\frac{5}{2}-1}{2}$$

1 ni \frac{2}{2} kasrga o‘giring.

$$\frac{-\frac{5}{2}-\frac{2}{2}}{2}$$

-\frac{5}{2} va \frac{2}{2} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{\frac{-5-2}{2}}{2}$$

-7 olish uchun -5 dan 2 ni ayirish.

$$\frac{-\frac{7}{2}}{2}$$

\frac{-\frac{7}{2}}{2} ni yagona kasrga aylantiring.

$$\frac{-7}{2\times 2}$$

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

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

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

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

Omil

$$-\frac{7}{4} = -1\frac{3}{4} = -1,75$$