数学每日一练
8.231.(2019
全国Ⅰ理3)已知<Object: word/embeddings/oleObject1.bin>
,则A.<Object: word/embeddings/oleObject2.bin>
B.<Object: word/embeddings/oleObject3.bin>
C.<Object: word/embeddings/oleObject4.bin>
D.<Object: word/embeddings/oleObject5.bin>
2.(2018
全国卷Ⅰ
)已知函数
<Object: word/embeddings/oleObject6.bin>
<Object: word/embeddings/oleObject7.bin>
.若<Object: word/embeddings/oleObject8.bin>
存在2个零点,则
<Object: word/embeddings/oleObject9.bin>
的取值范围是
A.<Object: word/embeddings/oleObject10.bin>
B.<Object: wo ...


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