1 a x**-2=0 x**=2 x=v2 x=1,4142 c x**-8=0 x**=8 x=v8 x=2,8284 b x**-3=0 x**=v3 x=1,7320 d 12-x**=0 -x**=-12/[-1] x**=12 x=v12 x=3,4641 18-x**=0 -x**=-18 /[-1] x**=18 x=4,2426 f 2x**-9=0 2x**=9 x**=9;2 x**=4,5 x=v4,5 x=2,121 g 3x**-25=0 3x**=25 x**=25:3 x**=8,33 x=v8,33 x=2,886 h 10x**-11=0 10x**=11 x**=11;10 X**=1,1 X=V1,1 X=1,048