<div>4</div>
<div>9</div>
<div>17</div>
<div>1</div>
Please try again
Well done!
Siehe
Einreichen
Lösung anzeigen
Tipp anzeigen
Sie haben :num von :total Punkten
Tip available
Feedback available
Read feedback
Wrong answer
Correct answer
Show the solution. The task will be marked with its correct solution.
Cancel
Finish
Cancel
Confirm
<p>What is 2 + 2?</p>