计算图形的面积。0A(K6_6B*g(O4z(M+];t5K7y;k0K6u9o
0A(K6_6B*g(O4z(M+];t5K7y;k0K6u9o
算式：提示*l:^7n:z(e+w/U4f/{5|'M)w4Q0A(K6_6B*g(O4z(M+];t5K7y;k0K6u9o
答：面积是9X1M5i,j2y3[0}:A7}+W(n,~7Y平方厘米。0A(K6_6B*g(O4z(M+];t5K7y;k0K6u9o