Get live Maths 1-on-1 Classs - Class 6 to 12
Last updated at March 30, 2023 by Teachoo
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 +