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Clearnote
Q&A
Senior High
Mathematics
求解
Mathematics
Senior High
Resolved
9 monthsago
(๑•̀ω•́๑)
求解
4. 人體中的感冒病毒經過A藥物控制後,每經過1天,病毒數量會變為前一天的a倍。已知小翰 開始服用藥物的3天後體內病毒數量為1.2x10 個,5天後體內病毒數量為3x10個,則8天 後體內病毒數量會剩下【3.75x10】個。(20分) 3x163 112x10 9= a = ± = 12 (3x103)(2):3x10 8 375 750 3000
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