用15根火柴棒摆成大小相同的8个正方形,火柴棒不得重叠且正方形中不允许存在其他正方形,你知道该怎么摆放吗? c9EanGdnC8N0X7TYmKVgM/+9pUpo1LrigStkjwWunZhmBf3G50G9ybHpHnhLV58c