問題詳情
設f(n)=–4n+50，n為自然數，若T=f(1)+f(2)+f(3)+…+f(n)，求T最大值= 。
參考答案
答案：C
難度：簡單0.715447
統計：A(14),B(10),C(88),D(11),E(0)
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