二上-七(1)-有多少粘贴画.ppt

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,*,排有张,排有张,排有张,排有张,排有张,排有张,排有张,排有张,排有张,排有张,一六,得六,2,4,排有张,排有张,排有张,排有张,排有张,排有张,排有张,排有张,二六,十二,三六,十八,四六,二十四,五六,三十,六六,三十六,六七,四十二,六八,四十八,六九,五十四,一六,得六,二六,十二,三六,十八,四六,二十四,五六,三十,六六,三十六,六七,四十二,六八,四十八,六九,五十四,后一句口诀比前一句口诀的得数,多,找规律,想一想,（）（,）,+6,-6,算一算,想一想,1,2,3,4,5,6,7,8,9,6,6,12,18,24,30,36,42,48,54,算一算,想一想,1,2,3,4,5,6,7,8,9,6,6,12,18,24,30,36,42,48,54,想一想,算一算,7,48,36,36,30,24,42,算一算有多少个格子,()()(),18,18,12,