Oefening 1: vertikaal optellen tot 999 zonder onthouden (2 cijfers).
Oefening 2: vertikaal optellen tot 999 met onthouden (2 cijfers).
Oefening 3: vertikaal optellen tot 9999 zonder onthouden (2 cijfers).
Oefening 4: vertikaal optellen tot 9999 met onthouden (2 cijfers).
Oefening 5: vertikaal optellen tot 9999 met onthouden (3 cijfers).
Oefening 6: vertikaal aftrekken tot 999 zonder ontlenen (2 cijfers).
Oefening 7: vertikaal aftrekken tot 999 met ontlenen (2 cijfers).
Oefening 8: vertikaal aftrekken tot 9999 zonder ontlenen (2 cijfers).
Oefening 9: vertikaal aftrekken tot 9999 met ontlenen (2 cijfers).
Oefening 10: vertikaal vermenigvuldigen tot 999 met onthouden.
Oefening 11: vertikaal vermenigvuldigen tot 9999 met onthouden.
Oefening 12: vertikaal vermenigvuldigen tot 99999 met onthouden.
Oefening 13: vertikaal delen tot 999 met ontlenen (deeltal 3 cijfers, deler 1 cijfer).
Oefening 14: puzzelspel cijferend hoofdrekenen, optellen tot 100 (2 cijfers).
Oefening 15: puzzelspel cijferend hoofdrekenen, optellen tot 100 (3 cijfers).
Oefening 16: puzzelspel cijferend hoofdrekenen, aftrekken tot 100.
Oefening 17: puzzelspel cijferend hoofdrekenen, vermenigvuldigen tot 100.
Extore is a team of professionals who are passionate about creating extensions for web browsers. This devotion also gives us opportunity to appreciate work of other people. We get inspired by useful, open source extensions made by developers all over the world. Our strong belief is that one should share helpful add-ons with others. That’s why we’d like to present you our ever-growing list of favourite extensions that have inspired us. Moreover, as you probably have already learned, sometimes struggling for the best brings an end to the good. Talking about add-ons it often turns out that an upgrade is worse then previous version. Also it can become really tricky to get back to the beloved version of your favourite extension. That’s why we’re going to make not only the latest, but all versions of our favourite (and we hope yours too) add-ons available for download. No more compromises, just stick to the version you really like!
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