Resposta :
Calculando..:
[tex]a) (+2)^2= 2.2=4\\\\\\b)2^2=2.2=4\\\\\\c)-2^2=-2.2=-4\\\\\\d)-(2)^2=-(2.2)=-4\\\\\\e)-(-2)^2=-(4)=-4[/tex]
Espero ter ajudado!
Resposta:
a) (+2)^2 = (+2) . (+2) = 4
b) 2^2 = 2 . 2 = 4
c) -2^2 = - (2 . 2) = -4
d) - (2)^2 = - (2 . 2) = -4
e) - (-2)^2 = - (-2) . (-2)= -4
Bons estudos! Espero ter ajudado!