2025 年重庆市普通高中学业水平选择性考试9月调研(康德卷)数学答案
9月调研测试卷(数学)参考答案第1页共5页2025年普通高等学校招生全国统一考试9月调研测试卷数学参考答案一、单选题1~8CBBCACCD8题提示:由题意,设ABC△内角ABC,,所对的边为abc,,,则有224cb,则该圆锥的体积2211(4)33Vbccc,设2()(4)fxxx,则2()43fxx,()fx在23(0,)3上单调递增,在23(,2)3上单调递减,所以max1423163(4)33327V.二、多选题9.BCD10.AC11.ABC11题提示:由AFFB可知,,,AFB三点共线,所以直线AB是过焦点F的...
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