[填空题]
A (lightweight) pallet hae39 fz4v lzm5cs a load of ide+-v /irie.la mntical cases of tomato paste (see Fig. 7–40), each of which is a cube of lengtli/ e.rm+iv a-h l. Find the center of gravity in the horizontal plane, so that the crane operator can pick up the load without tipping it.$X_{CM}$ = l $Y_{CM}$ = l