習題庫 (天津卷)已知<<,則A.2b>2a>2c B.2a>2b>2c C.2c>2... 來源:國語幫 1.46W 問題詳情: (天津卷)已知<< ,則A.2b>2a>2c B.2a>2b>2c C.2c>2b>2a D.2c>2a>2b【回答】A知識點:不等式題型:選擇題 2C 2A 2b