用7条直线最多可能画出几个不重叠的三角形?
难度系数:★★☆☆☆
答题时间:5分钟 3Mw4HB8KJdTrmLKokCdSWfFEHPHyvJelOcUCj2/WY1/4PL7R/iDw/i3MY6J1bDcy