Read and Dubmit Coordinates Quadrant I

[b]The control button will only appear if you have changed something![\b] After the first tasks was controlled, and the assessment of percentages appear. This text is colored, depending on the rating. For a passed exercise you should have worked more than 20 tasks and a score over 80% have (pink text!).
Created with GeoGebra – [url=]Birgit Lachner[\url]