Question

Select a counter-example that makes the conclusion false.

7 - 3 = 4, 8 - 5 = 3, 9 - 8 = 1

Conclusion: the difference of two positive numbers is always positive.

Counterexample:

Answer 1

6- 10 = -4

Answer 2

thank you

Answer 3

Here, you are taking away more than the original value, so the value
is negative.