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- 07:44, 11 July 2014 diff hist +87 Activities-Pythagoras theorem problems
- 07:34, 11 July 2014 diff hist +380 Activities-Pythagoras theorem problems
- 07:09, 11 July 2014 diff hist +344 Activities-Pythagoras theorem problems
- 05:58, 11 July 2014 diff hist +201 Activities-Pythagoras theorem problems