21/3-17/3 eching

$$2 \frac { 1 } { 3 } - 1 \frac { 7 } { 3 }$$

Baholash

$$-1$$

Yechim qadamlari

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

$$\frac{6+1}{3}-\frac{1\times 3+7}{3}$$

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

$$\frac{7}{3}-\frac{1\times 3+7}{3}$$

3 hosil qilish uchun 1 va 3 ni ko'paytirish.

$$\frac{7}{3}-\frac{3+7}{3}$$

10 olish uchun 3 va 7'ni qo'shing.

$$\frac{7}{3}-\frac{10}{3}$$

\frac{7}{3} va \frac{10}{3} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{7-10}{3}$$

-3 olish uchun 7 dan 10 ni ayirish.

$$\frac{-3}{3}$$

-1 ni olish uchun -3 ni 3 ga bo‘ling.

$$-1$$

Omil

$$-1$$