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细菌菌落每小时翻倍。最初有 50 只细菌。(a) 建模 N(t) 。(b) 6 小时后有多少?(c) 多长时间种群达到 12,800?
细菌菌落每小时翻倍。最初有 50 只细菌。(a) 建模 N(t) 。(b) 6 小时后有多少?(c) 多长时间种群达到 12,800?
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