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Binary Operation App's Quiz & e-Book PDF Download - 222

MCQ 222:

If * is a binary operation in A then

  1. A is closed under *
  2. A is not closed under *
  3. A is not closed under +
  4. A is closed under -

College Math App & e-Book Tests PDF Download

Binary Operation Textbook App: Free Download (iOS & Android)

The App: Binary Operation Quiz App to study Binary Operation Textbook, College Math Quiz App, and 7th Grade Math Quiz App. The "Binary Operation" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Binary Operation App (Android & iOS)

Binary Operation App (Android & iOS)

College Math App (Android & iOS)

College Math App (iOS & Android)

7th Grade Math App (Android & iOS)

7th Grade Math App (Android & iOS)

8th Grade Math App (Android & iOS)

8th Grade Math App (iOS & Android)