万全高三文科数学

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1、万全高中高三数学滚动练习11、在中，角的对边分别为，且满足（Ⅰ）求角的大小；（II）设，且的最大值是5，求的值.2、已知函数（Ⅰ）求的最大值及此时x的值；（Ⅱ）求的值。3、已知单调递增的等比数列{an}满足：a2＋a3＋a4＝28，且a3＋2是a2、a4的等差中项。（Ⅰ）求数列{an}的通项公式；（Ⅱ）若，，当时，恒成立，试求m的取值范围。4、已知函数,数列，点在曲线上，且.（I）求数列的通项公式；（II）数列的前n项和为且满足，求.5、已知，设函数.（I）若，求曲线在点处的切线方程；（II）求函数在

2、区间上的最大值.6、已知函数在x=-1时有极大值-4.(1)求的解析式，并求出单调区间；(2)解不等式.7、已知，，，是中点，是中点．（I）求证：平面；（II）求与平面所成角的余弦值．8、如图，四边形与都是边长为的正方形，点E是的中点，⊥平面ABCD.（I）计算：多面体A'B'BAC的体积；（II）求证：平面BDE；(Ⅲ)求证：平面⊥平面BDE．*Jg&6a*CZ7H$dq8KqqfHVZFedswSyXTy#&QA9wkxFyeQ^!djs#XuyUP2kNXpRWXmA&UE9aQ@Gn8xp$R

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