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在等比数列{a
n
}中,a
3
a
4
a
5
=3,a
6
a
7
a
8
=24,则a
9
a
10
a
11
=( )
A:48
B:72
C:144
D:192
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0.0难度 选择题 更新时间:2015-12-04 05:00:34
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D
同类题1
What are the most successful movies?
American movies are the most popular around the world. The most successful movies of the twentieth century wad Titanic. People around the world paid almost $2 billion, and they saw the famous ship sink again. Titanic was more popular than Star wars. This Star Wars film made almost $1billion in the late 1990s. Close behind this was Jurassic Park, a film about dinosaurs. And it’s interesting that Titanic was also the most expensive film: it cost $200 million to make.
Which is the world’s most popular sport?
The world most popular sport is or soccer.It’s more popular than football,basketball,or baseball.FIFA has 4.1 million teams,and 200 million players in l90 countries around the world.More than one billion people watch the World Cup Final on TV every four years. In the United States,soccer is not the most popular for spectators(观众),but it is the most popular sport for kids and teens.About 3 million Americans under the age of nineteen play soccer.
What are the largest shopping malls?
The largest shopping mall in the world is the West Edmonton Mall in Edmonton,Canada.The mall has more than 800 retail stores,including eight department stores.There is also a 335‘room hotel·It’8 much;larger than the 8econd largest mall in the world:this is the mall of America in Bloomington,Minnesota.The US mall has 400 stores. Its amusement attractions include a roller coaster. Some people spend their vacation at this mall.But in the future,the biggest stores probably are going to be on the computer:some online malls already say that they have stores in l00 countries·
同类题2
如图,⊙O与AB相切于点A,BO与⊙O交于点C,∠BAC=30°,则∠B等于( )
同类题3
在
△
A
B
C
中,角A,B,C的对边分别为a,b,c, 若
a
=
2
,
b
=
m
,
∠
A
=
π
4
, 若
△
A
B
C
有两解,则m的范围是( )
同类题4
一列客车和一列货车从两地同时相对开出,客车每小时行65千米,货车每小时行67千米,经过3.5小时相遇。两地的铁路长
____
千米
同类题5
先化简,再求值:(1﹣
1
x
+
1
)÷
x
−
2
x
+
1
(从﹣1、2、3中选择一个适当的数作为x值代入).
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