練習題庫/gsat・難度 5已知常用對數 log2≈0.3010\log 2\approx 0.3010log2≈0.3010、log3≈0.4771\log 3\approx 0.4771log3≈0.4771、log7≈0.8451\log 7\approx 0.8451log7≈0.8451。依上述近似值計算,log357\log_{\frac{3}{5}}7log537 四捨五入至小數點後第三位的結果為何?(A)3.8083.8083.808(B)−3.808-3.808−3.808(C)−0.263-0.263−0.263(D)1.0861.0861.086(E)1.0671.0671.067登入後即可作答並查看完整詳解(每日免費 5 題)。