Question

Calcule as expressões:

7×2^2-2^2×5=

(2^3×3-6^4) + [18 ÷ (15-3 × 2^2)]

Answer 1

Explicação passo-a-passo:

7 × 2² - 2² × 5

7× 4 - 4 × 5

28 - 20

8

(2³ × 3 - 6⁴) + [18 ÷ (15 - 3 × 2²)]

(8 × 3 - 1296) + [18 ÷ (15 - 3 × 4)]

(24 - 1296) + [18 ÷ (15 - 12)]

( - 1272) + [18 ÷ 3]

( - 1272) + [6]

- 1266