Question

Form four expressions with numbers 7, 5 and 8 (no variables) using operations of addition, subtraction or multiplication with the condition that every number should be used but not more than once.​

Answer 1

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1.➜ 7 + 5 - (-8)

2.➜ 8 - (+5) - (-7)

3.➜ -5 + (-7) + 8

4.➜ 8 + (-5) + (-7)