MathematicsBeginner

Finding the defective item

Split into three nearly equal groups

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Core concepts

Formulas

3n−1<N≤3n  ⟹  需称 n 次3^{n-1} < N \le 3^{n} \;\Longrightarrow\; \text{需称 } n \text{ 次}

Experiment / Case study

One bad part among nine

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Exercises

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4True / False

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5True / False

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6True / False

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