問題詳情
13. 設a = sin35°,b = cos25°, 求ab
之值=__________。

參考答案
答案:B
難度:簡單0.893131
統計:A(202),B(5825),C(109),D(62),E(0) #
個人:尚未作答書單:有效激勵管理之方法、人際關係理論(巴納德)、溝通者類型
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