9/4-1/4+1/5 eching

$$\frac { 9 } { 4 } - \frac { 1 } { 4 } + \frac { 1 } { 5 }$$

Baholash

$$\frac{11}{5}=2,2$$

Yechim qadamlari

\frac{9}{4} va \frac{1}{4} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{9-1}{4}+\frac{1}{5}$$

8 olish uchun 9 dan 1 ni ayirish.

$$\frac{8}{4}+\frac{1}{5}$$

2 ni olish uchun 8 ni 4 ga bo‘ling.

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

2 ni \frac{10}{5} kasrga o‘giring.

$$\frac{10}{5}+\frac{1}{5}$$

\frac{10}{5} va \frac{1}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{10+1}{5}$$

11 olish uchun 10 va 1'ni qo'shing.

$$\frac{11}{5}$$

Omil

$$\frac{11}{5} = 2\frac{1}{5} = 2,2$$