فعالیت2 و 3 ص30 چندضلعی ها و تقارن

2:52

2:00

2:08

2:54

2:15

4:51

3:19

30:21

6:45

8:35

13:57

14:02

3:50

14:24

3:37

4:04

2:48

2:14

4:07

18:13

4:59

8:39

13:02

14:30

15:19

13:31

13:05

22:34

14:25

5:34

1:08

14:56

18:28

2:19

1:25

29:50

11:44

10:37

11:57

12:21