3*8^2+6*5^2-3*7^2= eching

$$3 \cdot 8 ^ { 2 } + 6 \cdot 5 ^ { 2 } - 3 \cdot 7 ^ { 2 } =$$

Baholash

$$195$$

Yechim qadamlari

2 daraja ko‘rsatkichini 8 ga hisoblang va 64 ni qiymatni oling.

$$3\times 64+6\times 5^{2}-3\times 7^{2}$$

192 hosil qilish uchun 3 va 64 ni ko'paytirish.

$$192+6\times 5^{2}-3\times 7^{2}$$

2 daraja ko‘rsatkichini 5 ga hisoblang va 25 ni qiymatni oling.

$$192+6\times 25-3\times 7^{2}$$

150 hosil qilish uchun 6 va 25 ni ko'paytirish.

$$192+150-3\times 7^{2}$$

342 olish uchun 192 va 150'ni qo'shing.

$$342-3\times 7^{2}$$

2 daraja ko‘rsatkichini 7 ga hisoblang va 49 ni qiymatni oling.

$$342-3\times 49$$

147 hosil qilish uchun 3 va 49 ni ko'paytirish.

$$342-147$$

195 olish uchun 342 dan 147 ni ayirish.

$$195$$

Omil

$$3\times 5\times 13$$