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a সেটের প্রকৃত উপসেটের সংখ্যা 1 হলে এর উপাদান সংখ্যা কত - 3

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অক্টো ১৩, ২০২১

a সেটের প্রকৃত উপসেটের সংখ্যা 1 হলে এর উপাদান সংখ্যা কত?

-3

স্বাভাবিক সংখ্যা-র সেটটি মূলদ সংখ্যা-র সেটের একটি প্রকৃত উপসেট। যেকোন সেট তার নিজের একটি উপসেট, তবে প্রকৃত উপসেট নয়।

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