[填空题]
A (lightweight) pallet has a load of identical cases of6+vjo,q4+c t9 nwsl mb tomwg8y ;u howvnt en+.+:ato paste (see Fig. 7–40), each of which is a cube of length l. Find the center of grh ny+uv;.w ng :t8we+oavity in the horizontal plane, so that the crane operator can pick up the load without tipping it.$X_{CM}$ = l $Y_{CM}$ = l