1,御灶设P,Q出发时间碧手为TPB=16-3T CQ=2TS=(2T+16-3T)*6/2=33T=52,过Q作QE垂直AB于EPQ=10 QB=BC=6 则悔拆嫌PE=8BE=QC=2T AP=3T3T+8+2T=16T=8/53,S1=(2T+16-3T)*6/2 =48-3T4,S2=(3T+16-2T)*6/2 =48+3T