计算图中阴影部分的面积。0d3r2z3y,_
0d3r2z3y,_
算式：提示6s)P(i0G+M:W2@,[)~0d3r2z3y,_
答：阴影部分的面积是/|;Y*y(a;q平方分米。0d3r2z3y,_