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Basic formulas for solving problems
One of the most important tasks in chemistry is the correct composition of chemical formulas. A chemical formula is a written representation of the composition of a chemical substance using Latin...
Presentation on computer science on the topic Euler circles (8th grade) Presentation - Solving problems using Euler circles
Calculate the value of the expression. The fish said nothing, just splashed its tail in the water and went into the deep sea. The Tale of the Dead Princess and the Seven Knights. What fairy tale is this excerpt from? The Tale of...
Algebra lesson "Arithmetic and geometric progressions" (9th grade)
A numerical sequence, each member of which, starting from the second, is equal to the previous one added to the same number for a given sequence, is called an arithmetic progression....
The meaning of the word "probability"
Knowing how to estimate the likelihood of an event based on the odds is essential to choosing the right bet. If you don't understand how to convert bookmaker odds to probability...
Unified State Examination tasks in chemistry with solutions: Interrelation of various classes of inorganic substances
Blinov Andrey Iosifovich The main differences between the Unified State Exam-2014 and the Unified State Exam-2015 *The number of parts has changed (2 parts left) *The number of tasks in the examination paper has changed (reduced from 39 to 25) *Changed...
Algebraic solutions
Based on the similarity in mathematical meaning and the interchangeability of different solution methods, all arithmetic methods can be combined into the following groups: 1) method of reduction to unity, reduction to...
Classical probability problems
A riddle is a metaphorical expression in which one object is expressed through another that has some, even remote, similarity with it; based on the last person and...
Classical probability problems
Both small children and school-aged children absolutely love playing together with their parents and grandparents. Therefore, interesting riddles with answers will definitely attract their attention. The most...
Typical mistakes when solving problems involving the classical determination of probability
Problems on the classical definition of probability. Examples of solutions In the third lesson we will look at various problems related to the direct application of the classical definition of probability. For...
Motion problems with solutions
Motion problems with solutions The first tourist rode a bicycle for 2 hours at a speed of 16 km/h. After resting for 2 hours, he continued to poison himself at the same rate. 4 hours after the cyclist started, he...
