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第七单元 认识时间,人教版小学数学二年级上册,清河黄莲树小学 陈伦红,1,上课。,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,(10),(15),(5),1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,20,25,30,35,40,45,50,55,60,12,5,60,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,1,2,3,4,5,7,6,8,11,12,10,9,5,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,20,25,30,35,40,45,50,55,60,1,2,3,4,5,7,6,8,11,12,10,9,=,分针走一圈，时针走一个大格。1时=60分,1,上课。,8时15分,8：15,11,12,10,1,3,4,5,6,9,8,7,5,9时 5分,9:05,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,6时25分,6:25,11时55分11：55,你在一分钟的时间内,能做些什么？,一寸光阴一寸金，寸金难买寸光阴。,
