1楼mlpokn
(......)
发表于 2008-9-10 19:26
显示全部帖子
一道英语题
A rectangle PQRS with PQ = 49
and PS = 100 is cut into 4900
squares of side 1. T is a point on
QR such that QT = 60. Of these
4900 squares, how many are cut by
the lines PT and TS?
(A) 192 (B) 196 (C) 198 (D) 200 (E) 202
请英语好的帮忙解一下.
附件: 您所在的用户组无法下载或查看附件
