1. geografiya   geography   zoology   philosophy   geology   Hint Half-n-half Clue   2. zoológija   geometry   history   zoology   psychology   Half-n-half Clue   3. istórija   biology   geometry   history   astronomy   Half-n-half Clue   4. álgebra   algebra   geometry   philosophy   astronomy   Half-n-half Clue   5. trigonometriya   trigonometry   algebra   botany   history   Half-n-half Clue   6. ischisleniye   calculus   botany   geography   physics   Half-n-half Clue   7. geometriya   geometry   psychology   geology   astronomy   Half-n-half Clue