91/3+18/9-6/7 eching

$$9 \frac{ 1 }{ 3 } + \frac{ 18 }{ 9 } - \frac{ 6 }{ 7 }$$

Baholash

$$\frac{220}{21}\approx 10,476190476$$

Yechim qadamlari

27 hosil qilish uchun 9 va 3 ni ko'paytirish.

$$\frac{27+1}{3}+\frac{18}{9}-\frac{6}{7}$$

28 olish uchun 27 va 1'ni qo'shing.

$$\frac{28}{3}+\frac{18}{9}-\frac{6}{7}$$

2 ni olish uchun 18 ni 9 ga bo‘ling.

$$\frac{28}{3}+2-\frac{6}{7}$$

2 ni \frac{6}{3} kasrga o‘giring.

$$\frac{28}{3}+\frac{6}{3}-\frac{6}{7}$$

\frac{28}{3} va \frac{6}{3} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{28+6}{3}-\frac{6}{7}$$

34 olish uchun 28 va 6'ni qo'shing.

$$\frac{34}{3}-\frac{6}{7}$$

3 va 7 ning eng kichik umumiy karralisi 21 ga teng. \frac{34}{3} va \frac{6}{7} ni 21 maxraj bilan kasrlarga aylantirib oling.

$$\frac{238}{21}-\frac{18}{21}$$

\frac{238}{21} va \frac{18}{21} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{238-18}{21}$$

220 olish uchun 238 dan 18 ni ayirish.

$$\frac{220}{21}$$

Omil

$$\frac{2 ^ {2} \cdot 5 \cdot 11}{3 \cdot 7} = 10\frac{10}{21} = 10,476190476190476$$