Let me know, and I can help break down a problem for you!
If you are a student at a technical college (technikum) or a vocational school, you’ve likely encountered the "yellow" or "blue" legendary textbook: by Yu. M. Kolyagin, G. L. Lukankin, and G. N. Yakovlev. gdz po matematike kniga 1 koliagin lukankin iakovlev
Look for sites dedicated to "Mathematics for Technicums" (Математика для техникумов). Since the curriculum is standardized, many colleges post their own solution keys for the Kolyagin exercises. Let me know, and I can help break down a problem for you
Introduction to limits, derivatives, and their practical applications. Let me know