UID︰12662
UID︰7084
引用第1樓Obadiah於2011-12-05 16:14發表的“”:應該唔係15就係16... [表情]
UID︰14224
UID︰13708
引用第4樓BVEsun於2011-12-05 20:34發表的“”:答案應是 16 D 35 - 6 - 9 - 4 = 16
引用第5樓fatman於2011-12-05 22:11發表的“”:點得出黎 [表情]
UID︰11844
引用第7樓hohoho2於2011-12-05 22:43發表的“”:Triangle HGC is similar to triangle HBECH:HE = CG:BE = 2:3 Note that triangle CHB and triangle HEB has the same heightTherefore area of CHB:area of HEB=2:3Then follow what BVEsun said [表情]