如图的两个正方形，边长分别为8厘米和4厘米，那么阴影部分的面积是多少平方厘米？*b+^+P*f1Y(F9e+z5Q
*b+^+P*f1Y(F9e+z5Q
算式：提示2y,j*l1s+T5o*b+^+P*f1Y(F9e+z5Q
答：阴影的面积是'A0X)P5t,g7a'C,y1I平方厘米。*b+^+P*f1Y(F9e+z5Q