Last updated at April 16, 2024 by Teachoo
Ex 1.1, 4 Fill in the blanks to make the following statements true: (iv) [13 + (– 12)] + (............) = 13 + [(–12) + (–7)] Using associativity (a + b) + c = a + (b + c) [13 + (−12)] + (−7) = 13 + [(−12) + (−7)]