Cmap2真题
解:AP:Pb = 2:3；设AP=2x，PB=3X，AB=5X。
AQ:QB=4:1，所以AQ=4x，QB = X
PQ = AQ-AP = 4X-2X = 3厘米
解:x = 3/2厘米
AP = 2X = 2 * 3/2 = 3厘米
QB = AB-AQ = 5X-4X = X = 3/2厘米
可以画个图看看，应该没有错！
AQ:QB=4:1，所以AQ=4x，QB = X
PQ = AQ-AP = 4X-2X = 3厘米
解:x = 3/2厘米
AP = 2X = 2 * 3/2 = 3厘米
QB = AB-AQ = 5X-4X = X = 3/2厘米
可以画个图看看，应该没有错！