宋征 三边关系(4月18日)

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,三角形边的关系,北京第二实验小学,宋 征,0,5,6,10,7,8,1,2,3,4,9,3 cm,10 cm,5 cm,家,学校,图书馆,每组中的三条线段能围成三角形吗？,3cm,5cm,5cm,1cm,4cm,5cm,三条线段的长度是三个连续的自然数，,一定能围成三角形。,三根同样长的小棒，一定能围成三角形。,判断：,家,学校,图书馆,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,8cm,5cm,3cm,8cm,5cm,3cm,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,0,5,6,10,7,8,1,2,3,4,9,