The exactly alike two gifts box, is long 4 decimeters , broad 3 decimeters , high two decimeters. Them is in with wrapping paper dress together, need the number square decimeter of wrapping paper?

• 您的位置：我也知道>生活>礼节礼仪>两个完全一样的礼品盒，长4分米，宽3分米，高二分米。把他们用包装纸装在一起，需要多少平方分米包装纸？