a=circle((1,1), 2, rgbcolor=(0,0,0))
c=circle((0,0), 1, rgbcolor=(0,1,0))
k3_1=circle((1,2), 2, rgbcolor=(0,0,1), fill=False)
k3_2=circle((2,2), 1, rgbcolor=(1,0,0), fill=True)
x = var('x')
k4 = plot(((x)^3),(x,-2,4),rgbcolor=hue(0.6))
k5_1 = plot((e^((-1/2)*x)),
(x,0,6), rgbcolor=(1,1,0))
k5_2 = plot((cos(2*pi*x)*(e^((-1/2)*x))),
(x,0,6), rgbcolor=(1,0,1))
t2a = text("Aufg. 2a", (0.5,1.5), rgbcolor=(0,0,0))
t2b = text("Aufg. 2b", (0.5,1.5), rgbcolor=(0,0,0))
t3 = text("Aufg. 2c", (1,5), rgbcolor=(0,0,0))
t4 = text("Aufg. 2d", (1,80), rgbcolor=(0,0,0))
t5 = text("Aufg. 2e", (2,2), rgbcolor=(0,0,0))
show(t1+a)
show(c+t2a,aspect_ratio=1)
show(c+t2b,aspect_ratio=1,axes=false)
show(k3_1+k3_2+t3,aspect_ratio=1)
show(k4+t4)
show(k5_1+k5_2+t5)
