Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Welche Äquivalenzumformungen sind richtig: {[negative x squared plus 4 equals 4 x minus left parenthesis x minus 1 right parenthesis squared left right double arrow negative x squared plus 4 equals 4 x minus left parenthesis x squared minus 2 x plus 1 right parenthesis]; [negative x squared plus 4 equals 4 x minus left parenthesis x minus 1 right parenthesis squared left right double arrow negative x squared plus 4 equals 4 x minus x squared minus 2 x plus 1]; [negative x squared plus 4 equals 4 x minus left parenthesis x minus 1 right parenthesis squared left right double arrow negative x squared plus 4 equals 4 x plus left parenthesis x squared minus 2 x plus 1 right parenthesis]} -> {richtig; falsch}
Right answer summary: [negative x squared plus 4 equals 4 x minus left parenthesis x minus 1 right parenthesis squared left right double arrow negative x squared plus 4 equals 4 x minus left parenthesis x squared minus 2 x plus 1 right parenthesis] -> richtig; [negative x squared plus 4 equals 4 x minus left parenthesis x minus 1 right parenthesis squared left right double arrow negative x squared plus 4 equals 4 x minus x squared minus 2 x plus 1] -> falsch; [negative x squared plus 4 equals 4 x minus left parenthesis x minus 1 right parenthesis squared left right double arrow negative x squared plus 4 equals 4 x plus left parenthesis x squared minus 2 x plus 1 right parenthesis] -> falsch
Question state: todo