31/2+16/1 eching

$$3 \frac { 1 } { 2 } + \frac { 16 } { 1 }$$

Baholash

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

Yechim qadamlari

6 hosil qilish uchun 3 va 2 ni ko'paytirish.

$$\frac{6+1}{2}+\frac{16}{1}$$

7 olish uchun 6 va 1'ni qo'shing.

$$\frac{7}{2}+\frac{16}{1}$$

Har qanday son birga bo‘linganda, natija o‘zi chiqadi.

$$\frac{7}{2}+16$$

16 ni \frac{32}{2} kasrga o‘giring.

$$\frac{7}{2}+\frac{32}{2}$$

\frac{7}{2} va \frac{32}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{7+32}{2}$$

39 olish uchun 7 va 32'ni qo'shing.

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

Omil

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