• 2022-06-15
    求 [tex=4.143x3.357]eUMe1WxdF1mRBSNz8zZeqg4fB9pBCTGZjSLt4Xyde8k=[/tex][tex=5.214x1.429]Dp6z/u52O5+UGwvPwJsinByMZv8aIxs8joMR0Fkf6Fo=[/tex], 其中 [tex=0.643x1.0]5lyepJiBl3DeOl5BOnkp2g==[/tex] 是周界 [tex=6.5x3.357]fnpmC2J6JmQBLyo5NmGAz8FC2pz7oBm90gSnKGt7QbNMrYsTNqNqfTiD0DcT1y4KQKuuWv93unM7Iy8AcLgB/AgUo+7TnMh5DCsw15e4dmg=[/tex] 若从 [tex=0.5x1.286]asctJDWpGaq/ETe64ANZ1Q==[/tex] 轴正向看去, 取逆时针方向.