求下面图形中阴影部分的面积。;E5x5e-`*N8j(b:H1Z
;E5x5e-`*N8j(b:H1Z
算式：提示*B:C1^2j9`:l,b+z;E5x5e-`*N8j(b:H1Z
答：阴影部分的面积是5n5{*C'x3o(V-v;W7e8R平方厘米。;E5x5e-`*N8j(b:H1Z