(24-32-8)-(15-27-9)+(20+4-15) eching

$$( 24 - 32 - 8 ) - ( 15 - 27 - 9 ) + ( 20 + 4 - 15 )$$

Baholash

$$14$$

Yechim qadamlari

-8 olish uchun 24 dan 32 ni ayirish.

$$-8-8-\left(15-27-9\right)+20+4-15$$

-16 olish uchun -8 dan 8 ni ayirish.

$$-16-\left(15-27-9\right)+20+4-15$$

-12 olish uchun 15 dan 27 ni ayirish.

$$-16-\left(-12-9\right)+20+4-15$$

-21 olish uchun -12 dan 9 ni ayirish.

$$-16-\left(-21\right)+20+4-15$$

-21 ning teskarisi 21 ga teng.

$$-16+21+20+4-15$$

5 olish uchun -16 va 21'ni qo'shing.

$$5+20+4-15$$

25 olish uchun 5 va 20'ni qo'shing.

$$25+4-15$$

29 olish uchun 25 va 4'ni qo'shing.

$$29-15$$

14 olish uchun 29 dan 15 ni ayirish.

$$14$$

Omil

$$2\times 7$$