a) -2 + 2 = 0 (admite)
b)5(-2)+10=-10+10=0 (admite)
c)-8(-2)-16=16-16=0 (admite)
d) -2 x -2 + 4 = 4 + 4 = 8 (nu admite)
e)8(-2)-4=-16-4=-20 (nu admite)
f)|-6|(-2)+12=6(-2)+12=-12+12=0(admite)
g)([tex]( \sqrt{2} -1)(-2)-3-2 \sqrt{2}=[/tex]=-2[tex] \sqrt{2} [/tex]+2-3-2[tex] \sqrt{2} [/tex]=[tex]-4 \sqrt{2} -1[/tex] (nu admite)
h)[tex] \sqrt{3(-2)} + \sqrt{12} = \sqrt{-12} + \sqrt{12} [/tex] (nu admite)
