山东省烟台市2021届高三下学期3月高考诊断性测试数学试题答案
高三数学参考答案(第1页,共6页)2021年高考诊断性测试数学参考答案一、单选题BDCCBADD二、多选题9.ABC10.BD11.BC12.ACD三、填空题13.2214.1.7515.[133,)16.56四、解答题17.解:若选①:(1)由已知2212bTT,3324bTT,所以322bqb,通项2212222nnnnbbq.··········································2分故111ab.······························································...
2024-09-02
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