Life long sharing . . .

Maths Olympiad – More Venn Diagram questions

Posted on: July 19, 2016

In questions involve 3 groups (3 circles in the diagram), it sometimes takes time to understand why

Total = A+B+C – A∩B – B∩C – A∩C + A∩B∩C

Putting up this slides in hope it helps in visualize how we reach the above.

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