12-2(-3-7(5-2*3^2)) eching

$$12 - 2 ( - 3 - 7 ( 5 - 2 \cdot 3 ^ { 2 } ) )$$

Baholash

$$-164$$

Yechim qadamlari

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

$$12-2\left(-3-7\left(5-2\times 9\right)\right)$$

18 hosil qilish uchun 2 va 9 ni ko'paytirish.

$$12-2\left(-3-7\left(5-18\right)\right)$$

-13 olish uchun 5 dan 18 ni ayirish.

$$12-2\left(-3-7\left(-13\right)\right)$$

-91 hosil qilish uchun 7 va -13 ni ko'paytirish.

$$12-2\left(-3-\left(-91\right)\right)$$

-91 ning teskarisi 91 ga teng.

$$12-2\left(-3+91\right)$$

88 olish uchun -3 va 91'ni qo'shing.

$$12-2\times 88$$

176 hosil qilish uchun 2 va 88 ni ko'paytirish.

$$12-176$$

-164 olish uchun 12 dan 176 ni ayirish.

$$-164$$

Omil

$$-164$$