
一个。。。
楼下来,偶来问你个问题

A rectangle has side lengths 3 and 4. One of ots vertices is at the point (1,2). Which of the following COULD NOT be the coordinates of one of its other vertices?
a) (-3,-1) b) (1,-5) c) (5,-1) d) (-2,6) e) (1,-1)
这是数学题地说,在中国的亲们学的数学比偶的难,能解的吧?
