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Last updated at Sept. 9, 2021 by Teachoo
Ex 1.2, 4 Fill in the blanks to make the following statements true: (v) (– 4) + [15 + (–3)] = [– 4 + 15] + ............ Using associativity a + (b + c) = (a + b) + c (−4) + [15 + (−3)] = [−4 + 15] + (−3)