Practice!

Sample Problem

Change one of the symbols with “ + , −, × , ÷ ” to make the equation true.

4 × 3 × 8 − 2 + 9 = 27

Solution

4 × 3 + 8 − 2 + 9 = 12 + 8 − 2 + 9 = 20 + 7 = 27.