题库搜索>数据充分DS-15074
A computer generates paths along the vertices of the parallelogram above. It moves in such a way that its path always consists of a side, a diagonal, and then a side and it never ends at the same vertex it begins with, i.e., PQ → QOS → SR. For each vertex on a path, the computer generates a random number. The sum of the numbers on one diagonal is equal to the sum on the other. For a given path, what is the number generated for vertex P?
(1) The sum of Q and R is always 15 and S carries number 4.
(2) The intersection of the diagonals, O,carries number 2.
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电脑沿着平行四边形的端点生成了不同的路径，其移动轨迹是从初始点出发-边长-对角线-另外一条边长，然后停留的端点和初始点不重复（i.e.，从顶点P出发，沿着边PQ → 对角线QOS → 另一条边SR，可以画个平行四边形更容易理解）PS:O是平行四边形对角线交点
每经过一个顶点，电脑生成一个数字，然后两条对角线的三个点之后相等（也就是说SOQ之和等于ROP）那么在点P生成的数字是多少？
因为根据已知条件可知顶点R+O+P=S+O+Q，也就是R+P等于S+Q，求P值
（1）知道S=4和Q+R之和等于15，不充分
（2）0等于2，不充分
1+2，也只能够得出R+P等于S+Q，无法根据关系求出P，不充分，E
lele要750
这题…考的是阅读理解吧
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2022-06-29 14:06:07
268953txhyv
服了 自己画图？
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2021-08-08 22:13:48
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数据充分DS
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