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Дополнительные задачи
Author:
Илья Харченков
New Resources
bewijs stelling van Pythagoras
Flip 4 Coins
Calendar Puzzle
apec
Roll Dice
Discover Resources
hypersegment
DilationExploration
Trigonometry, Double Angle identities
similar_004
Linkage Simulator
Distinguishing between Two Types of Situations: IM 7.6.6