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（本小题满分14分）数列 中， ， 为其前 项的和，满足 = ，令 （Ⅰ）求数列 的通项公式 （Ⅱ）若 ，求证： （Ⅲ）设 ，求证数列
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皮皮学刷刷变学霸
举一反三
【简答题】标注螺纹尺寸。详见146页第2题。
【单选题】-Do you know __________? -Sorry, I don't know. [ ]
A.
where he was born
B.
what city was he born in
C.
in what city was he born
【单选题】——When was he born ? ——He was born__________.
A.
in 1988 June 6
B.
on June 6, in 1988
C.
in June 6, 1988
D.
on June 6, 1988
【单选题】---When was he born? ---He was born ________the morning________June 5.
A.
in,of
B.
on,of
C.
in,on
D.
on,on
【简答题】句型转换(每题2分,共10分)1. He was born in 1991.(对画线部分提问) he born?2. I have a big bag.句型转换(每题2分,共10分) 1. He was born in 1991 .(对画线部分提问) ____ ____ he born? 2. I have a big bag. He has a small bag. My ba...
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