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9th grade
Valence
Odds
Mechanics
Density
Properties by chemistry
Valence
2024-02-08 12:09:38
Iron: origin and characteristics
2023-07-01 04:22:35
Organic chemistry Designation of the degree of saturation of bonds
2024-04-19 10:02:49
Finding the inverse matrix
2023-10-23 07:24:09
Patterns of changes in the electronegativity of elements in a group and period
2023-07-27 06:53:14
Linear function All functions and their graphs and properties
2023-07-26 07:09:13
How to find the sum of an arithmetic progression: formulas and an example of their use
2023-07-25 07:18:57
Chemical composition of living organisms
2023-06-05 19:03:26
Classical and statistical definition of probability
2023-12-17 11:32:53
The Comprehensive Guide (2019)
2024-05-03 09:28:56
Peoples of Africa presentation for a geography lesson (grade 7) on the topic
2024-04-26 09:45:27
Why does day give way to night on Earth?
2024-03-28 15:11:18
Educational system for the prevention and prevention of delinquency and crimes in the Nesovo environment - Educational work - Regional educational portal of the Pskov region
2024-03-01 12:05:13
Salts: classification and chemical properties
2024-02-14 13:07:14
Plan of educational work of the class teacher