The official way to get a "PDF-like" experience is to buy a digital license from a Swedish educational retailer (e.g., Adlibris, Bokus, or directly via Natur & Kultur’s platform). Prices typically range between 400–600 SEK for a 12-month license.
Many public and school libraries offer digital lending. You can log in with your library card to platforms like Biblio Library or Elib to borrow the digital version for a limited time. matematik 5000 1a pdf link
A PDF search is often accompanied by a search for "Matematik 5000 1a lösningar pdf." The book is structured so that answers to odd-numbered questions are often in the back. The official way to get a "PDF-like" experience