Question

5+(-3)2+1
12-1+(-4)2
10+(-2)3-4
(-2)4+(+5).(-2)
23-16:(+2)-(-1)​

Answer 1

Explicação passo-a-passo:

5+(-3)2+1

5-3×2+1

5-6+1

0

b)12-1+(-4)2

12-1-4×2

12-1-8

3

c)10+(-2)3-4

10-2×3-4

10-6-4

0

D)(-2)4+(+5).(-2)

-2×4+5.-2

-8-10

-18

e)23-16:+2+1

23-8+1

16