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Tsev
Oversigt
Videos
GeoGebraTube
Formal collection
Cheeb tsam thiab Circumference
Tus Golden Seem
Nta
Hloov dua siab tshiab
Threesomes
Trigonometry
Volume
ntawv
Reservation thiab algebra
Geometry thiab ntsuas
Txheeb cais thiab kev kwv yees
Hais txog ntawm qhov chaw
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Cia li tsim triangles
Tag: tag nrho cov resulting triangles
3. Tau feem ntau
Constructing ob vaj huam sib luag triangles tsim perpendicular
Troels Christensen Gannerup
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Dec 10, 2012
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