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Построение сечений в тетраэдре +ответы 16 задач.
Author:
Елена Александровна Стародубцева
Ответы.
Использованы материалы Л.В. Гориной "Математика" №6/2004
№1
GeoGebra
№2
GeoGebra
№3
GeoGebra
№4. P ∈ BMC
GeoGebra
№5. N ∈ AMS, P ∈ MSС
GeoGebra
№6. M∈ ASС, P∈ ABC
GeoGebra
№7. N ∈ AMB, P ∈ AMC
GeoGebra
№8
GeoGebra
№9
GeoGebra
№10
GeoGebra
№11
GeoGebra
№12
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№13
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№14
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№15
GeoGebra
№16
GeoGebra
New Resources
Modifiable Right Triangular Prism
Mandelbrot
Squaring a Rectangle (PST Version)
Deciding How New Information Affects Probability
Calculating Arc Length, Radius, and Central Angle
Discover Resources
Possible length of the third side of a triangle
Circle Theorems
Задача 1
Congruent Segment Construction
Animation flower
Discover Topics
Expected Value
Matrices
Geometric Transformations
Limits
Rhombus