Question

1. CALCULE:
a) 13 + (-1)7-2 =
b) (-2)2 + (-4)3 + 1 =
c) (-8)2 – 2 -(-3) -6 =
d) (-2) . (-8) + (-3)2 =
e) (-1)3 + 5 + (-2) . (-5)0 =
f) (-4/3)2-6 =
g) (-3)2- (-2)-2 =
h) (-3)2 + 62- 25 =
i) 23 + (-5)2 =
j) 5. (-3)2 + 1 – 1000 =
k) (-7)2 – 8 . 2 . (-2)1 =
l) (-6)2- 8 . (-3) . (-3) =
m) (1/3)2 + (-2)2 =
n) 100 – (1/3)1 + (1/3)-2 =
o) 5 + (1/2)1 + 3-2 =

Answer 1

Resposta:

a) 13+(-1)7-2

13-1×7-2

13-7-2

13-9

4

b) (-2)2+(-4)3+1

-4-4×3+1

-4-12+1

-16+1

-15

c) (-8)2-2-(-3)-6

-16-2+3-6

-24+3

-21

Answer 2

a)4
b)-15
c)-21
d)fiquei com preguiça