十几减5432教学课件.pptx

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,十 几 减,5,、,4,、,3,、,2,9+,（）,=11 9+,（）,=14,8+,（）,=12 8+,（）,=11,7+,（）,=11 6+,（）,=11,5,4,3,4,5,填空,2,11,8=,13,7=,13,6=,18,9=,15,8=,17,9=,11,7=,14,6=,3,6,7,9,7,8,4,8,15,9=,12,7=,13,9=,15,7=,11,6=,16,9=,17,8=,14,8=,6,5,4,8,5,7,9,6,试一试,12-5=,12-4=,12-3=,7,8,9,11-2=,11-3=,11-4=,9,8,7,9,7,6,14,5 11,4 11,3 11,2,11,5 12,4 12,3 12,5,8,送 信,15,9=,15,6=,11,9=,11,2=,17,8=,17,9=,6,9,2,9,9,8,11,8=,11,3=,16,9=,16,7=,11,4=,11,7=,3,8,7,9,7,4,13,2=,13,3=,13,4=,13,5=,13,6=,13,7=,11,10,9,8,7,6,15,9=,15,8=,15,7=,15,6=,15,5=,15,4=,6,7,8,9,10,11,7 +,6=,13,7=,13,6=,8 +,7=,15,8=,15,7=,13,6,7,15,7,8,7 +,5=,12,5=,12,7=,6 +,5=,11,5=,11,6=,12,7,5,11,6,5,12,只,？只,（只）,12,4,8,11,人,?,人,（人）,11,2,9,13,个,（个）,13,4,9,还剩多少瓶？,14,5=9,（瓶）,答：还剩,9,瓶。,你收获了什么？,