四川省成都市实验外国语学校
2018届零诊模拟考试数学试卷
答案一、选择题1~5．BCBBA6~10．DBBBB11~12．AD二、填空题13．<Object: word/embeddings/oleObject1.bin>
14．415．216．<Object: word/embeddings/oleObject2.bin>
三、解答题17．解：（Ⅰ）
<Object: word/embeddings/oleObject3.bin>
<Object: word/embeddings/oleObject4.bin>
，故<Object: word/embeddings/oleObject5.bin>
周期<Object: word/embeddings/oleObject6.bin>
．令<Object: word/embeddings/oleObject7.bin>
则<Object: word/embeddings/oleObject8.bin>
所以<Object: word/embeddings/oleObject9.bin>
单调增区间为
<Object: word/embe ...