Searching for a (answer key) for I.I. Zubareva's Math Workbook 1 (Rabochaya Tetrad) usually points toward resources for the 5th or 6th-grade curriculum. These workbooks are designed to accompany the textbook by Zubareva and Mordkovich. Top Resources for Answers

Depending on the grade level, Zubareva’s first workbook typically focuses on:

You can find completed exercises and step-by-step solutions on these popular educational platforms:

If you can tell me which (e.g., 5th or 6th) you are working on, I can help you find a specific link or explain a tricky problem!