2011 S1-02 Maths Blog
Chapter 2 (Real Numbers) Integers - Zero Pairs (Basic Concept)
The sum of an integer and its opposite is ZERO
E.g. 1: - 20 + 20 = 0
E.g. 2: 56 + (-56) = 0
E.g. 3: -28 + 28 = 0
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