Question

resolva as expressões:
a) 5² - 15 + 2³
b) (3²-8+1)²+5²
c)[(15+3²)÷4]+1
d)[101x5¹-(2²+1)]

Answer 1

a) 5.5 - 15 + 2×2×2
25 -15+8
10+8=18

b)(3×3 -8+1)×(3×3-8+1)+5×5
(9-7)×(9-7)+25
2×2+25
4×25
100

[(15+9)÷4]+1
[24÷4]+1
6+1
7

d)[101×5-(4+1)]
[101×5-5]
505-5
500