+(-3+5+2+1)-(-8-4-9-5) eching

$$+ ( - 3 + 5 + 2 + 1 ) - ( - 8 - 4 - 9 - 5 )$$

Baholash

$$31$$

Yechim qadamlari

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

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

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

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

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

$$5-\left(-8-4-9-5\right)$$

-12 olish uchun -8 dan 4 ni ayirish.

$$5-\left(-12-9-5\right)$$

-21 olish uchun -12 dan 9 ni ayirish.

$$5-\left(-21-5\right)$$

-26 olish uchun -21 dan 5 ni ayirish.

$$5-\left(-26\right)$$

-26 ning teskarisi 26 ga teng.

$$5+26$$

31 olish uchun 5 va 26'ni qo'shing.

$$31$$

Omil

$$31$$