Equation or problem solving.

You can put your calculation steps here. Don’t forget the “hint” key for advice. Finally, refresh the browser to change the statement and repeat the exercise as many times as necessary until the target skill is entered.

Tables to be completed

In algebra as well as in statistics and probability.


Calculations, checking knowledge of the course, reasoning …

Question (or riddle) with entry

of a single unique answer



So what code? 

Geometry with or without coordinate system

Here no difficulty apart from knowing how

to distinguish the abscissa from the ordinate. 


Simple calculations. Primary level

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