-2*[-5+(4-7)+2*(3+2)-4]= eching

$$- 2 \cdot [ - 5 + ( 4 - 7 ) + 2 \cdot ( 3 + 2 ) - 4 ] =$$

Baholash

$$4$$

Yechim qadamlari

-1 olish uchun -5 va 4'ni qo'shing.

$$-2\left(-1-7+2\left(3+2\right)-4\right)$$

-8 olish uchun -1 dan 7 ni ayirish.

$$-2\left(-8+2\left(3+2\right)-4\right)$$

5 olish uchun 3 va 2'ni qo'shing.

$$-2\left(-8+2\times 5-4\right)$$

10 hosil qilish uchun 2 va 5 ni ko'paytirish.

$$-2\left(-8+10-4\right)$$

2 olish uchun -8 va 10'ni qo'shing.

$$-2\left(2-4\right)$$

-2 olish uchun 2 dan 4 ni ayirish.

$$-2\left(-2\right)$$

4 hosil qilish uchun -2 va -2 ni ko'paytirish.

$$4$$

Omil

$$2^{2}$$