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(2010•梧州)化简-的结果是 ________.
试题详情
(2010•梧州)化简
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADBSURBVDhPzZM7DoQwDER9rhQ5Dr1vkjoHSctB
KHKUWdv5ALsgGaqNhIQsP2YyNoSLQ0RwPXfwVf27Rn8O14w4c4jItfl12K7IkRA7UXMExQzlHfAK
pl0NK8skGKsPhvTL6LqavrOSXhhiUq3r7Af4DGYG2wceB7YDdoV557L0VVzmvqi9eWxMh8AkqhEg
lVKsLwVCSFsL4ghb8z6q67TNQVM/w1LwLMkiCqr+A9/8Jacl2VIAhfQOVgFVf6U83HnhDxDzgLVP
VxsMAAAAAElFTkSuQmCC
)
-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC/SURBVDhPzZNBEsUQEETnXBaOY+8m1g5iOwfJ
wlH6ZwRJ8ItklVSpQmn9picIg4+IsDT+iUf77R59XMz2zEB7xIw7x44e2nI+zrASZl5PxZG5OskN
0WtQdp+Ku0ClhFXnVsyWUKp45nyrH3ggjvDaokQnRIRgchtMJZRfs8fV8KVHpVUhhDR1iqDcluat
WBKu3ZIDe2iyPi0SweF+FUtA/SM58G98ZscV9xH28A1cNzenQMq9E8tF4v7KuVCsin81ApctPDAe
KwAAAABJRU5ErkJggg==
)
的结果是 ________.
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(2010•梧州)化简
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(2010•梧州)化简
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(2010•梧州)如图,边长为6的正方形ABCD绕点B按顺时针方向旋转30°后得到正方形EBGF,EF交CD于点H,则FH的长为________(结果保留根号).
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(2010•梧州)如图,边长为6的正方形ABCD绕点B按顺时针方向旋转30°后得到正方形EBGF,EF交CD于点H,则FH的长为________(结果保留根号).
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(2010•梧州)如图,边长为6的正方形ABCD绕点B按顺时针方向旋转30°后得到正方形EBGF,EF交CD于点H,则FH的长为________(结果保留根号).
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(2010•梧州)如图,a∥b,若∠1=50°,则∠2的度数为( )
![](https://img.xintiku.com/upload/3e/0e/3e0e6510409706ccf72bf3f84160be82.png)
A.50°
B.120°
C.130°
D.140°
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(2010•梧州)如图,AB是∠DAC的平分线,且AD=AC.
求证:BD=BC.
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(2010•梧州)如图,a∥b,若∠1=50°,则∠2的度数为( )
![](https://img.xintiku.com/upload/70/af/70af39da7c8b7dac1cb1099c5cd2e765.png)
A.50°
B.120°
C.130°
D.140°
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(2010•梧州)|-10|=________.
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(2010•梧州)方程x2-9=0的解是________.