8[21div7*15+48div-12-3(25-4)] eching

$$8 [ 21 \div 7 \cdot 15 + 48 \div - 12 - 3 ( 25 - 4 ) ]$$

Baholash

$$-176$$

Yechim qadamlari

3 ni olish uchun 21 ni 7 ga bo‘ling.

$$8\left(3\times 15+\frac{48}{-12}-3\left(25-4\right)\right)$$

45 hosil qilish uchun 3 va 15 ni ko'paytirish.

$$8\left(45+\frac{48}{-12}-3\left(25-4\right)\right)$$

-4 ni olish uchun 48 ni -12 ga bo‘ling.

$$8\left(45-4-3\left(25-4\right)\right)$$

41 olish uchun 45 dan 4 ni ayirish.

$$8\left(41-3\left(25-4\right)\right)$$

21 olish uchun 25 dan 4 ni ayirish.

$$8\left(41-3\times 21\right)$$

63 hosil qilish uchun 3 va 21 ni ko'paytirish.

$$8\left(41-63\right)$$

-22 olish uchun 41 dan 63 ni ayirish.

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

-176 hosil qilish uchun 8 va -22 ni ko'paytirish.

$$-176$$

Omil

$$-176$$