จำนวนนับ6-10

ก49

กF50

1.1 6 6 F Fˈ ก•ก•• 51

1.1 66 F Fˈ ก6• ก••ก 52

1.2 ก 6 10 Fก ก ก1)2)3)4)5)53

1.2 ก 6 10Fก ก ก1) 6ก2) 73) 9 กF4) 105) 854

ก กก ก FF 15Fก ก321321321321321กF ก กF F F..............................................................................กF / /....................... ........................... ........................ก F = = F3 = FF2 F1 ก Fก F F 11-15 6-10 1-5 55

ก ก ก กFก F ..................................................ก กF 1. .............................................................................. 2. .............................................................................. 4. .............................................................................. 3. .............................................................................. 6. .............................................................................. 5. .............................................................................. ก ก 3211 FF ก2 ก Fก3F4 ก Fˈ5Fก F F.............................................................................. / /....................... ........................... ........................ กF ก Fก F F3 กF FF2 ก F = = F1 = ก กF F F 11-15 6-10 1-5 56