Question

Given below is a very interesting maths problem.
This was set out by a German. It is a little difficult and can help prevent Alzheimer disease.

2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

Use any of mathematical signs wherever you need.

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Answer 1

Answer:

3×3-3=6

(4)^2-(4+4)

please mark as brainiest