Respostas

2014-03-29T11:16:36-03:00
A)-(1/(-2)²) 
-1/4

b)-125/2

c) (-(1/5³)/3)‾¹
(-(1/125)/3)
‾¹
(-(1/125
×1/3)‾¹
(-1/375)
‾¹
-375

d)
-((-3)‾²)/2=
-((-1/9)/2)
-(-1/9
×1/2)
-(-1/18)
1/18

e) -(-18²/6)‾²
-(-324/6)‾²
-(-54)‾²
-(-1/54)²
-1/2916