Answer:
- 48 = (2 +4)×8
- 40 = (2 +8)×4
- 24 = (8 -2)×4
- 64 = 2×4×8
Explanation:
You want expressions that have values 48, 40, 24, 64 using the numbers 2, 4, 8 exactly once in each expression.
48
48 = (2 +4)×8
40
40 = 4×(2 +8)
24
24 = 4×(8 -2)
64
64 = 2×4×8