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Intergers Number
All Natural numbers and negative of natural numbers with zero make the set of Integers (সকলো প্ৰাকৃতিক সংখ্যা আৰু শূন্য থকা প্ৰাকৃতিক সংখ্যাৰ ঋণাত্মক সংখ্যাই পূৰ্ণসংখ্যাৰ গোটটো গঠন কৰে)
Symbol - "Z"
E.g - ............., - 4, - 3, - 2, - 1, 0, 1, 2, 3, 4, 5, ........................
a. 1, 2, 3, 4, 5, 6, .............. are called positive integer numbers.
b. - 1. - 2, - 3, - 4, - 5, ................ are called negative integer numbers.
c. '0' is neither positive nor negative.
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