如图,要使 AD∥BF,则需要添加的条件是________(写一个即可)
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七年级数学填空题简单题
如图,要使 AD∥BF,则需要添加的条件是________(写一个即可)
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七年级数学填空题简单题查看答案及解析
如图,∠1=15°,∠AOC=90°,点 B,O,D 在同一直线上,则∠2 的度数为( )
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A. 75° B. 15° C. 105° D. 165°
七年级数学单选题简单题查看答案及解析
如图,BC⊥AC,BC=8,AC=6,AB=10,则点 C 到线段 AB 的距离是_____.
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七年级数学填空题中等难度题查看答案及解析
如图,BC⊥AC,BC=8,AC=6,AB=10,则点 C 到线段 AB 的距离是_____.
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七年级数学填空题中等难度题查看答案及解析
如图,BC⊥AC,BC=8,AC=6,AB=10,则点 C 到线段 AB 的距离是_____.
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七年级数学填空题中等难度题查看答案及解析
如图,OB是∠AOC的平分线,OD是∠COE的平分线,∠AOE=150°,∠AOB=35°,求∠AOD的度数.
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七年级数学解答题中等难度题查看答案及解析
如图,若在中国象棋盘上建立平面直角坐标系,使“帅”位于点(-1,-2),“马”位于点(2,-2),则“兵”位于点( )
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A. (-1,1) B. (-2,-1) C. (-3,1) D. (1,-2)
七年级数学单选题中等难度题查看答案及解析
如图,将一块含有 30°角的直角三角板的两个顶点放在长方形直尺的一组对边上 如果∠1=30°,那么∠2 的度数为( )
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A. 30° B. 40° C. 50° D. 60°
七年级数学单选题中等难度题查看答案及解析
若a2=9, =-2,则a+b=( )
A. -5 B. -11 C. -5 或 -11 D. [Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/4/13/1923307707498496/1924745231712256/STEM/88648fe9667844b88a7b7a150b27acfe.png]5或[Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/4/13/1923307707498496/1924745231712256/STEM/88648fe9667844b88a7b7a150b27acfe.png]11
七年级数学单选题简单题查看答案及解析
如图:∠ABC=∠DEF,AB=DE,要证明△ABC≌△DEF,需要添加一个条件为(只添加一个条件即可);
七年级数学解答题简单题查看答案及解析