闭合差：1.224-0.363-0.714-0.108=0.039总站数：10+8+10+9=37H1=Ha+1.224+（-0.039）*10/37=45.5265H2=H1+（-.363）+（-0.039）*8/37=45.1550H3=H2+（-0.714）+（-0.039）*10/37=44.4305后面为改正数，绝对正确，希望采纳！
