28-(-15)-{-(+2-6)-[-12-(-19+13)-4]+54}-(-47+25-8) eching

$$28 - ( - 15 ) - \{ - ( + 2 - 6 ) - [ - 12 - ( - 19 + 13 ) - 4 ] + 54 \} - ( - 47 + 25 - 8 )$$

Baholash

$$5$$

Yechim qadamlari

-15 ning teskarisi 15 ga teng.

$$28+15-\left(-\left(2-6\right)-\left(-12-\left(-19+13\right)-4\right)+54\right)-\left(-47+25-8\right)$$

43 olish uchun 28 va 15'ni qo'shing.

$$43-\left(-\left(2-6\right)-\left(-12-\left(-19+13\right)-4\right)+54\right)-\left(-47+25-8\right)$$

-4 olish uchun 2 dan 6 ni ayirish.

$$43-\left(-\left(-4\right)-\left(-12-\left(-19+13\right)-4\right)+54\right)-\left(-47+25-8\right)$$

-4 ning teskarisi 4 ga teng.

$$43-\left(4-\left(-12-\left(-19+13\right)-4\right)+54\right)-\left(-47+25-8\right)$$

-6 olish uchun -19 va 13'ni qo'shing.

$$43-\left(4-\left(-12-\left(-6\right)-4\right)+54\right)-\left(-47+25-8\right)$$

-6 ning teskarisi 6 ga teng.

$$43-\left(4-\left(-12+6-4\right)+54\right)-\left(-47+25-8\right)$$

-6 olish uchun -12 va 6'ni qo'shing.

$$43-\left(4-\left(-6-4\right)+54\right)-\left(-47+25-8\right)$$

-10 olish uchun -6 dan 4 ni ayirish.

$$43-\left(4-\left(-10\right)+54\right)-\left(-47+25-8\right)$$

-10 ning teskarisi 10 ga teng.

$$43-\left(4+10+54\right)-\left(-47+25-8\right)$$

14 olish uchun 4 va 10'ni qo'shing.

$$43-\left(14+54\right)-\left(-47+25-8\right)$$

68 olish uchun 14 va 54'ni qo'shing.

$$43-68-\left(-47+25-8\right)$$

-25 olish uchun 43 dan 68 ni ayirish.

$$-25-\left(-47+25-8\right)$$

-22 olish uchun -47 va 25'ni qo'shing.

$$-25-\left(-22-8\right)$$

-30 olish uchun -22 dan 8 ni ayirish.

$$-25-\left(-30\right)$$

-30 ning teskarisi 30 ga teng.

$$-25+30$$

5 olish uchun -25 va 30'ni qo'shing.

$$5$$

Omil

$$5$$