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  1. Chapter 6 Class 6 Integers
  2. Serial order wise
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Example 4 Find the sum of (– 9) + (+ 4) + (– 6) + (+ 3) (−9) + (+4) + (−6) + (+ 3) = − 9 + 4 − 6 + 3 = − 9 − 6 + (4 + 3) = − 9 − 6 + 7 Taking − common from −9 & −6 = − (9 + 6) + 7 = − 15 + 7 Taking − common = − (15 − 7) = − 8 Rules + & − becomes + + & + becomes + − & − becomes − Rough We group positive integers together and negative integers together

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.