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(2010•江津区)先观察下列等式:,,…则计算=________.
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(2010•江津区)先观察下列等式:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAD8AAAAjCAYAAAAjS9I/AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
,
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAD4AAAAjCAYAAADMibkBAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
,
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAD4AAAAjCAYAAADMibkBAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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=
)
…
则计算
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJMAAAAjCAYAAACQLzhgAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
=________.
相关试题
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(2010•江津区)先观察下列等式:
,
,
…
则计算
=________.
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(2010•江津区)先观察下列等式:
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,
…
则计算
=________.
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(2010•江津区)计算:
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(2010•江津区)计算:
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(2010•江津区)下列运算正确的是( )
A.x2+x4=x6
B.x2•x3=x6
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(2010•江津区)下列运算正确的是( )
A.x2+x4=x6
B.x2•x3=x6
C.(x3)3=x6
D.2
+3
=5
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(2010•江津区)下列运算正确的是( )
A.x2+x4=x6
B.x2•x3=x6
C.(x3)3=x6
D.2
+3
=5
-
(2010•江津区)下列运算正确的是( )
A.x2+x4=x6
B.x2•x3=x6
C.(x3)3=x6
D.2
+3
=5
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(2010•江津区)如图,在Rt△ABC中,AB=AC,D、E是斜边BC上两点,且∠DAE=45°,将△ADC绕点A顺时针旋转90°后,得到△AFB,连接EF,下列结论中正确的个数有①∠EAF=45°;②△ABE∽△ACD;③AE平分∠CAF;④BE2+DC2=DE2( )
![](https://img.xintiku.com/upload/19/81/1981cfbf098b1be5e737952ba1152c5b.png)
A.1个
B.2个
C.3个
D.4个
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(2010•江津区)如图,在Rt△ABC中,AB=AC,D、E是斜边BC上两点,且∠DAE=45°,将△ADC绕点A顺时针旋转90°后,得到△AFB,连接EF,下列结论中正确的个数有①∠EAF=45°;②△ABE∽△ACD;③AE平分∠CAF;④BE2+DC2=DE2( )
![](https://img.xintiku.com/upload/6b/8f/6b8f911918cd785a72ebd9e4e811dfb8.png)
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B.2个
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