Six-question combination practice
Make a prediction and read the explanation.
A temporary learning session
Each question supplies exact physical tokens and a designated wild rank. Judge it under the stated teaching profile. Your first answer locks the question; the review preserves all six until restart or reload.
No score account
There is no timer, leaderboard, localStorage or upload of answers. The checker’s group limit and substitution minimum remain the same in practice.
Six original group questions
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Session review
No account, timer or uploaded answers. Six questions per session.