
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Last updated at May 29, 2023 by Teachoo
Ex 6.2, 4 Find the sum of : (c) – 312, 39 and 192 −312 + 39 + 192 = −312 + (192 + 39) = −312 + 231 Taking − common = −(312 − 231) = −81