Ryabushko A.P. IDZ 12.1 option 9 is most likely an educational task or set of tasks in a subject or course. "IDZ" most likely means "individual homework", and "12.1 option 9" indicates the number of the assignment option. I don’t know exactly what subject and in what educational organization this task is used. If you have additional information, I can help describe this item in more detail.
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Ryabushko A.P. IDZ 12.1 version 9 is a textbook for students who study the discipline "Informatics and Programming". The manual presents version 9 of task 12.1 from the computer science problem book for grades 10-11, authored by A.P. Ryabushko.
The manual contains theoretical material and practical tasks aimed at developing programming skills in a high-level language. It covers the following topics: arrays, loops, conditional statements, functions, working with files and other basic language constructs.
Studying this manual will help students improve their programming skills and prepare for success in the Computer Science and Programming exam.
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