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Ex 1.1, 8 - Chapter 1 Class 7 Integers - Part 2

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Ex 1.1, 8 Verify a – (– b) = a + b for the following values of a and b. (ii) a = 118, b = 125 Rough + & − becomes − + & + becomes + − & − becomes + a = 118, b = 125 a − (−b) = 118 − (−125) = 118 + 125 = 243 a + b = 118 + 125 = 243 ∴ a − (−b) = a + b

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