14-3/2+19-12 eching

$$14 - \frac { 3 } { 2 } + 19 - 12$$

Baholash

$$\frac{39}{2}=19,5$$

Yechim qadamlari

14 ni \frac{28}{2} kasrga o‘giring.

$$\frac{28}{2}-\frac{3}{2}+19-12$$

\frac{28}{2} va \frac{3}{2} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{28-3}{2}+19-12$$

25 olish uchun 28 dan 3 ni ayirish.

$$\frac{25}{2}+19-12$$

19 ni \frac{38}{2} kasrga o‘giring.

$$\frac{25}{2}+\frac{38}{2}-12$$

\frac{25}{2} va \frac{38}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{25+38}{2}-12$$

63 olish uchun 25 va 38'ni qo'shing.

$$\frac{63}{2}-12$$

12 ni \frac{24}{2} kasrga o‘giring.

$$\frac{63}{2}-\frac{24}{2}$$

\frac{63}{2} va \frac{24}{2} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{63-24}{2}$$

39 olish uchun 63 dan 24 ni ayirish.

$$\frac{39}{2}$$

Omil

$$\frac{3 \cdot 13}{2} = 19\frac{1}{2} = 19,5$$