rebeccajones33 rebeccajones33 23-09-2016 Mathematics contestada Insert grouping symbols so that the given expression has a value of 25. 12 – 7 + 2 • 4 + 6 12 – (7 + 2) • (4 + 6) (12 – 7 + 2) • (4 + 6) (12 – 7) + (2 • 4 + 6) (12 – 7) + 2 • (4 + 6)
