I notice you've asked me to translate text from English to French, but the source text "Voyages au pays des maths" is already in French. This appears to be a test or there may be a mismatch in your request. If you meant to translate English text to French, please provide the English source. If you meant to translate this French text to English, the translation would be: "Journeys in the land of mathematics" or "Travels in the country of mathematics." Please clarify which direction you'd like the translation to go, and I'll be happy to help.