(6*7)^2-(3*3)^2/6*7-3*3 eching

$$\frac { ( 6 \cdot 7 ) ^ { 2 } - ( 3 \cdot 3 ) ^ { 2 } } { 6 \cdot 7 - 3 \cdot 3 }$$

Baholash

$$51$$

Yechim qadamlari

42 hosil qilish uchun 6 va 7 ni ko'paytirish.

$$\frac{42^{2}-\left(3\times 3\right)^{2}}{6\times 7-3\times 3}$$

2 daraja ko‘rsatkichini 42 ga hisoblang va 1764 ni qiymatni oling.

$$\frac{1764-\left(3\times 3\right)^{2}}{6\times 7-3\times 3}$$

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

$$\frac{1764-9^{2}}{6\times 7-3\times 3}$$

2 daraja ko‘rsatkichini 9 ga hisoblang va 81 ni qiymatni oling.

$$\frac{1764-81}{6\times 7-3\times 3}$$

1683 olish uchun 1764 dan 81 ni ayirish.

$$\frac{1683}{6\times 7-3\times 3}$$

42 hosil qilish uchun 6 va 7 ni ko'paytirish.

$$\frac{1683}{42-3\times 3}$$

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

$$\frac{1683}{42-9}$$

33 olish uchun 42 dan 9 ni ayirish.

$$\frac{1683}{33}$$

51 ni olish uchun 1683 ni 33 ga bo‘ling.

$$51$$

Omil

$$3\times 17$$