题干:2AF=AB=BD=DE=AE,比较A与B的大小A:The sum of the area of triangular region ABF and area of triangular region CDEB:The area of rectangular region BCEF答案是D不确定我不是很明白为什么我算后有两个解,但分别是A点
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![题干:2AF=AB=BD=DE=AE,比较A与B的大小A:The sum of the area of triangular region ABF and area of triangular region CDEB:The area of rectangular region BCEF答案是D不确定我不是很明白为什么我算后有两个解,但分别是A点](/uploads/image/z/2591352-0-2.jpg?t=%E9%A2%98%E5%B9%B2%EF%BC%9A2AF%3DAB%3DBD%3DDE%3DAE%2C%E6%AF%94%E8%BE%83A%E4%B8%8EB%E7%9A%84%E5%A4%A7%E5%B0%8FA%EF%BC%9AThe+sum+of+the+area+of+triangular+region+ABF+and+area+of+triangular+region+CDEB%EF%BC%9AThe+area+of+rectangular+region+BCEF%E7%AD%94%E6%A1%88%E6%98%AFD%E4%B8%8D%E7%A1%AE%E5%AE%9A%E6%88%91%E4%B8%8D%E6%98%AF%E5%BE%88%E6%98%8E%E7%99%BD%E4%B8%BA%E4%BB%80%E4%B9%88%E6%88%91%E7%AE%97%E5%90%8E%E6%9C%89%E4%B8%A4%E4%B8%AA%E8%A7%A3%2C%E4%BD%86%E5%88%86%E5%88%AB%E6%98%AFA%E7%82%B9)
题干:2AF=AB=BD=DE=AE,比较A与B的大小A:The sum of the area of triangular region ABF and area of triangular region CDEB:The area of rectangular region BCEF答案是D不确定我不是很明白为什么我算后有两个解,但分别是A点
题干:2AF=AB=BD=DE=AE,比较A与B的大小
A:The sum of the area of triangular region ABF and area of triangular region CDE
B:The area of rectangular region BCEF
答案是D不确定
我不是很明白为什么
我算后有两个解,但分别是A点在矩形BCEF内和A点在矩形BCEF外,但这两种解都是A<B的,希望有人能帮我解答下,
题干:2AF=AB=BD=DE=AE,比较A与B的大小A:The sum of the area of triangular region ABF and area of triangular region CDEB:The area of rectangular region BCEF答案是D不确定我不是很明白为什么我算后有两个解,但分别是A点
楼主能简单描述下图吗?如果有图的话.
如果仅从楼主提供的信息出发的话,可以用如下方式构造出一种二者相等的情况:
首先由条件,A,D两点都在对角线BE的垂直平分线上,而矩形的BC边长度是不一定的,一个特殊的情况是A正好在EF的延长线上,同理,D在BC的延长线上,冰枪可以满足AE=2AF=2EF.此时,三角形ABF和CDE的和恰巧为矩形的面积.
其余情况下,的确如楼主所说是A小于B.