Graphic subsets --- Introduction ---

This online exercise helps you to train yourself graphically to the concept of subsets: union, intersection, complement, etc. It can either graphically present a subset and ask you to recognize the corresponding formula, or give a formula of subset and ask you to recognize it graphically.
Configuration of the exercise:
Style of the exercise:
Type of the subset:
A session will be composed of questions. (With a score assigned at the end of each session.)

Other members in the series of graphical exercises. The most recent version

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