%path = "Mathe/LGS/2x2" %kind = chindnum["Übungen"] %level = 10 \[ \begin{matrix} {{chiven.A[0][0]}} x & {{chutil.sgn(chiven.A[0][1])}} & {{abs(chiven.A[0][1])}} y & = & {{chiven.b[0]}} \\ {{chiven.A[1][0]}} x & {{chutil.sgn(chiven.A[1][1])}} & {{abs(chiven.A[1][1])}} y & = & {{chiven.b[1]}} \end{matrix} \] %chq(chames=['x =','y ='])