Seed: grade 12 questions (every lesson 4+ per lesson, answers computed in code), minus-sign and doubled-x fixes in grade 10 and 11

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
2026-10-17 03:35:34 +03:30
parent a5a93ef6ba
commit 133233144e
4 changed files with 52063 additions and 111 deletions

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