-2+[-3-(-4+2)]-1+1-(-4-7+3-1) eching

$$- 2 + [ - 3 - ( - 4 + 2 ) ] - 1 + 1 - ( - 4 - 7 + 3 - 1 )$$

Baholash

$$6$$

Yechim qadamlari

-2 olish uchun -4 va 2'ni qo'shing.

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

-2 ning teskarisi 2 ga teng.

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

-1 olish uchun -3 va 2'ni qo'shing.

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

-3 olish uchun -2 dan 1 ni ayirish.

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

-4 olish uchun -3 dan 1 ni ayirish.

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

-3 olish uchun -4 va 1'ni qo'shing.

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

-11 olish uchun -4 dan 7 ni ayirish.

$$-3-\left(-11+3-1\right)$$

-8 olish uchun -11 va 3'ni qo'shing.

$$-3-\left(-8-1\right)$$

-9 olish uchun -8 dan 1 ni ayirish.

$$-3-\left(-9\right)$$

-9 ning teskarisi 9 ga teng.

$$-3+9$$

6 olish uchun -3 va 9'ni qo'shing.

$$6$$

Omil

$$2\times 3$$