Website: tam-sayilarda-toplama-isleminin-ters-elemani.nedir.org
This website appears legitimate based on AI analysis.
The website you provided, nedir.org, appears to be a platform for asking and answering questions on various topics, including mathematics. The specific page you mentioned seems to be about the concept of the additive inverse in mathematics, particularly in the context of whole numbers. Based on the content and the nature of the website, it seems to be a safe and educational resource. However, as with any online content, it's always a good idea to verify information from multiple reliable sources, especially for academic or study purposes."