samenvatting maken https://www.youtube.com/watch?v=8C7Anx2Eh1U&list=PLia72L3mUXWJ_7EzglUC84jmOLB09AYYq&index=8
informatie opzoeken https://www.youtube.com/watch?v=Fm87IoQPoTU&list=PLia72L3mUXWJ_7EzglUC84jmOLB09AYYq&index=1
tekst begrijpen https://www.youtube.com/watch?v=h0HB5o6SxsE&list=PLia72L3mUXWJ_7EzglUC84jmOLB09AYYq&index=5