如图3，已知正方形ABCD和正方形C

如图3，已知正方形ABCD和正方形CEFG的边长分别是8厘米和6厘米，那么阴影部分的面积是2v:o7}1B-V;^9p;c'h.h平方厘米。3Z:J3h)Q6M)h2@

                                                                                                                        3Z:J3h)Q6M)h2@