1. 哲学   philosophy   astronomy   trigonometry   physics   Hint Half-n-half Clue   2. 微積分学   physics   psychology   calculus   zoology   Half-n-half Clue   3. 化学   zoology   chemistry   botany   geometry   Half-n-half Clue   4. 天文学   philosophy   history   chemistry   astronomy   Half-n-half Clue   5. 生物学   calculus   zoology   biology   botany   Half-n-half Clue   6. 歴史   history   geology   trigonometry   calculus   Half-n-half Clue   7. 動物学   history   geometry   zoology   chemistry   Half-n-half Clue