設 a、b 為正數，若 a20 的整數部分是 32 位數， b-30 的小數點後第 60 位始不為 0，求 (ab)10 的整數部分是幾位數？_______

問題詳情

5.設 a、b 為正數，若 a20 的整數部分是 32 位數， b-30 的小數點後第 60 位始不為 0，求 (ab)10 的整數部分是幾位數？_______

參考答案

答案：B
難度：適中0.432836
統計：A(2),B(29),C(20),D(10),E(1)

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