1. psychologie   calculus   psychology   chemistry   geology   Hint Half-n-half Clue   2. géographie   history   geography   astronomy   philosophy   Half-n-half Clue   3. botanique   botany   biology   geometry   calculus   Half-n-half Clue   4. philosophie   psychology   philosophy   trigonometry   geometry   Half-n-half Clue   5. calcu   psychology   algebra   philosophy   calculus   Half-n-half Clue   6. trigonométrie   psychology   geography   trigonometry   chemistry   Half-n-half Clue   7. algèbre   algebra   biology   physics   geometry   Half-n-half Clue