图中，长方形ABCD的长是6cm，宽是

图中，长方形ABCD的长是6 cm，宽是4 cm，阴影部分的面积是)~/S'`2B:P0`'y*q4S1a;i3d平方厘米。,K9e:`1H1{/w)L5z5e.R4M

　                                                                                                                             　,K9e:`1H1{/w)L5z5e.R4M