山东省烟台德州东营2024年高考诊断性测试 数学答案
数学参考答案(第1页,共4页)2024年高考诊断性测试数学参考答案及评分标准一、选择题ACBCBDAA二、选择题9.ABD10.BCD11.BC三、填空题12.13.,14.四、解答题15.解:(1),···································2分直线的斜率,由题意知,···································4分即,所以.····································5分(2)的定义域为.···································6分因为,所以.设,则.···············...
2025-05-16
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