| Hampton, Mark - |
| Geo a -parallel lines- find angle size-level 3 (13) | | 幻灯片 | 2010.11.03 |
| Geo a- lesson - parallel lines and angles (69) | | 幻灯片 | 2010.11.03 |
| Geo a- parallel lines -id and find angles - level 2 (35) | | 幻灯片 | 2010.11.03 |
| Geo a- parallel lines- are they parallel? (20) | | 幻灯片 | 2010.11.03 |
| Geoa -lesson- pythagorean theorem (51) | | 幻灯片 | 2010.11.04 |
| Geom a - area of triangles & composite shapes (24) | | 幻灯片 | 2010.11.03 |
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