Ex 6.2, 4 - Find sum of (a) 137 and -354 (b) -52 and 52 (c) -312, 39

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Ex 6.2, 4 Find the sum of : (a) 137 and – 354 137 + (−354) = 137 − 354 Taking − common = − (−137 + 354) = − (354 − 137) = −217 Rules + & − becomes – + & + becomes + − & − becomes +

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.