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GeoGebra
симметрия
Author:
anastasija.kruzberg
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Lines of Symmetry
S3 Example 4.1
QuinMStainedGlassProject
Discover Perpendicular Slopes
Discover Resources
Coordinate Pair Practice
Trac_nghiem_12_17
ALTITUDE
καλό καλοκαίρι
P2.2