(-10)[1-4^2+(-2)^5]+7-20+40 eching

$$( - 10 ) [ 1 - 4 ^ { 2 } + ( - 2 ) ^ { 5 } ] + 7 - 20 + 40$$

Baholash

$$497$$

Yechim qadamlari

2 daraja ko‘rsatkichini 4 ga hisoblang va 16 ni qiymatni oling.

$$-10\left(1-16+\left(-2\right)^{5}\right)+7-20+40$$

-15 olish uchun 1 dan 16 ni ayirish.

$$-10\left(-15+\left(-2\right)^{5}\right)+7-20+40$$

5 daraja ko‘rsatkichini -2 ga hisoblang va -32 ni qiymatni oling.

$$-10\left(-15-32\right)+7-20+40$$

-47 olish uchun -15 dan 32 ni ayirish.

$$-10\left(-47\right)+7-20+40$$

470 hosil qilish uchun -10 va -47 ni ko'paytirish.

$$470+7-20+40$$

477 olish uchun 470 va 7'ni qo'shing.

$$477-20+40$$

457 olish uchun 477 dan 20 ni ayirish.

$$457+40$$

497 olish uchun 457 va 40'ni qo'shing.

$$497$$

Omil

$$7\times 71$$