1-(12+8)+8(4-5)+8(5-9)+2= eching

$$1 - ( 12 + 8 ) + 8 ( 4 - 5 ) + 8 ( 5 - 9 ) + 2 =$$

Baholash

$$-57$$

Yechim qadamlari

20 olish uchun 12 va 8'ni qo'shing.

$$1-20+8\left(4-5\right)+8\left(5-9\right)+2$$

-19 olish uchun 1 dan 20 ni ayirish.

$$-19+8\left(4-5\right)+8\left(5-9\right)+2$$

-1 olish uchun 4 dan 5 ni ayirish.

$$-19+8\left(-1\right)+8\left(5-9\right)+2$$

-8 hosil qilish uchun 8 va -1 ni ko'paytirish.

$$-19-8+8\left(5-9\right)+2$$

-27 olish uchun -19 dan 8 ni ayirish.

$$-27+8\left(5-9\right)+2$$

-4 olish uchun 5 dan 9 ni ayirish.

$$-27+8\left(-4\right)+2$$

-32 hosil qilish uchun 8 va -4 ni ko'paytirish.

$$-27-32+2$$

-59 olish uchun -27 dan 32 ni ayirish.

$$-59+2$$

-57 olish uchun -59 va 2'ni qo'shing.

$$-57$$

Omil

$$-57$$