@inbook{34161, author = {{Rezat, Sebastian and Schacht, Florian and Häsel-Weide, Uta}}, booktitle = {{Mathematics Education in the Digital Age. Learning, Practice and Theory}}, editor = {{Clark-Wilson, A. and Donevska-Todorova, A. and Faggiano, E. and Trgalová , J. and Weigang, H.-G.}}, pages = {{168--184}}, publisher = {{Routledge}}, title = {{{Challenges of making sense of tasks and automated feedback in digital mathematics textbooks}}}, doi = {{10.4324/9781003137580}}, year = {{2021}}, }