Ex 1.1, 1 - Write down a pair of integers whose: (a) sum is  7 - Ex 1.1

 

 

 

 

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Ex 1.1, 1 Write down a pair of integers whose: (a) sum is –7−7 & 0 −7 + 0 = −7 −2 & −5 −2 + (−5) = −2 − 5 = −(2 + 5) = −7

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