Make up as many expressions with numbers (no variables) as you can from three numbers 5, 7 and 8. Every number should be used not more than once. Use only addition, substraction and multiplication.
In this question,
Most of the expressions can be formed by using the numbers 5, 7 and 8
Some of the examples of these expressions are as follows:
5 × (8 – 7)
5 × (8 + 7)
(8 + 5) × 7
(8 – 5) × 7
(7 + 5) × 8
(7 – 5) × 8