找规律上课.ppt
,找规律,3,3,3,3,1,1,1,1,4,3,5,6,2,1,1,2,1,1,2,1,1,2,1,1,3,3,3,3,1,1,1,1,4,3,5,6,2,1,1,2,1,1,2,1,1,2,1,1,+1,+1,+1,+1,+1,练习,4,5,6,7,8,9,(),()6,8,10,(),(),16,18,2030,25,20,15,(),(),你还会继续填吗?,兔子跳,0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20,0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20,0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20,6,9,3,15,12,6,9,15,12,3,15,15,15,15,15,15,15,15,15,15,15,15,15,15,2,4,6,7,8,10,2,4,6,7,8,10,7,7,7,7,7,7,7,7,7,7,7,7,7,7,2,4,6,10,7,8,10,10,10,10,10,10,10,10,10,3 4 6 9,1 6 2 5 3 4,1 2 3 5 8,1 2 1,