9^7-9^5/9^4-9^3 eching

$$\frac { 9 ^ { 7 } - 9 ^ { 5 } } { 9 ^ { 4 } - 9 ^ { 3 } }$$

Baholash

$$810$$

Yechim qadamlari

7 daraja ko‘rsatkichini 9 ga hisoblang va 4782969 ni qiymatni oling.

$$\frac{4782969-9^{5}}{9^{4}-9^{3}}$$

5 daraja ko‘rsatkichini 9 ga hisoblang va 59049 ni qiymatni oling.

$$\frac{4782969-59049}{9^{4}-9^{3}}$$

4723920 olish uchun 4782969 dan 59049 ni ayirish.

$$\frac{4723920}{9^{4}-9^{3}}$$

4 daraja ko‘rsatkichini 9 ga hisoblang va 6561 ni qiymatni oling.

$$\frac{4723920}{6561-9^{3}}$$

3 daraja ko‘rsatkichini 9 ga hisoblang va 729 ni qiymatni oling.

$$\frac{4723920}{6561-729}$$

5832 olish uchun 6561 dan 729 ni ayirish.

$$\frac{4723920}{5832}$$

810 ni olish uchun 4723920 ni 5832 ga bo‘ling.

$$810$$

Omil

$$2\times 3^{4}\times 5$$