[["MATHE"],[["Grundrechenarten",[["2+3*5 = ","17"],["(2+3)*5 = ","25"],["7-2*6 = ","-5"],["18-6:3 = ","16"],["(18-6):3 = ","4"],["-4 + (-5) = ","-9"],["8-(-3) = ","11"],["17+(8:2) = ","21"]]],["Ableitungen",[["(x^3)' =","3x^2"],["(x)' =","1"],["(7)' =","0"],["sin(x)' =","cos(x)"],["(e^x)' =","e^x"],["sin(3x)' =","3*cos(3x)"],["(cos(x^2))' =","-2*x*sin(x^2)"],["(5*x^3)' =","15*x^2"],["(1\/x)' = ","-1\/(x^2)"]]]]]