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Exercise "Maths riddles", created by webmaster (a free exercise to learn English):
Results of the 392 people who have taken this test:
Average mark: 90 / 100 Share
Latest member with a 100/100 (perfect mark): kokeishi47 / FRANCE, on Thursday 29 May - 16:10:
"Merci beaucoup pour ce test"
They got a perfect mark
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