27^2-2*27*13+13^2= eching

$$27 ^ { 2 } - 2 \cdot 27 \cdot 13 + 13 ^ { 2 } =$$

Baholash

$$196$$

Yechim qadamlari

2 daraja ko‘rsatkichini 27 ga hisoblang va 729 ni qiymatni oling.

$$729-2\times 27\times 13+13^{2}$$

54 hosil qilish uchun 2 va 27 ni ko'paytirish.

$$729-54\times 13+13^{2}$$

702 hosil qilish uchun 54 va 13 ni ko'paytirish.

$$729-702+13^{2}$$

27 olish uchun 729 dan 702 ni ayirish.

$$27+13^{2}$$

2 daraja ko‘rsatkichini 13 ga hisoblang va 169 ni qiymatni oling.

$$27+169$$

196 olish uchun 27 va 169'ni qo'shing.

$$196$$

Omil

$$2^{2}\times 7^{2}$$