-2*(-2+5)*(-3)-(-7+5)*(-12+14)= eching

$$- 2 \cdot ( - 2 + 5 ) \cdot ( - 3 ) - ( - 7 + 5 ) \cdot ( - 12 + 14 ) =$$

Baholash

$$22$$

Yechim qadamlari

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

$$-2\times 3\left(-3\right)-\left(-7+5\right)\left(-12+14\right)$$

-6 hosil qilish uchun -2 va 3 ni ko'paytirish.

$$-6\left(-3\right)-\left(-7+5\right)\left(-12+14\right)$$

18 hosil qilish uchun -6 va -3 ni ko'paytirish.

$$18-\left(-7+5\right)\left(-12+14\right)$$

-2 olish uchun -7 va 5'ni qo'shing.

$$18-\left(-2\left(-12+14\right)\right)$$

2 olish uchun -12 va 14'ni qo'shing.

$$18-\left(-2\times 2\right)$$

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

$$18-\left(-4\right)$$

-4 ning teskarisi 4 ga teng.

$$18+4$$

22 olish uchun 18 va 4'ni qo'shing.

$$22$$

Omil

$$2\times 11$$