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A card probability calculator determines the likelihood of drawing specific cards from a shuffled deck. The probability of drawing an ace from a 52-card deck is 4/52 = 7.69%; two aces in a row without replacement is (4/52) × (3/51) = 0.45%. Relevant to card games, magic tricks, and combinatorics education.

ステップバイステップガイド

1. 1Specify card condition
2. 2Calculate probability outcome
3. 3Account for replacements

解いた例

避けるべきよくある間違い

• ✕Not double-checking results
• ✕Ignoring edge cases

よくある質問