正方形ABCD的边长是8cm，E，F分别是边的中点，求阴影部分的面积。:p0b9I(}:v8~6Y'O6D2C)u(y2W
:p0b9I(}:v8~6Y'O6D2C)u(y2W
算式：提示5W9l/R2j3n)P-T4H9e)C:p0b9I(}:v8~6Y'O6D2C)u(y2W
答：阴影部分的面积是9A'V.F0j;k0A平方厘米。:p0b9I(}:v8~6Y'O6D2C)u(y2W
:p0b9I(}:v8~6Y'O6D2C)u(y2W