Question

Good exercise for maths lovers...
Given below is a very interesting maths problem.
This was set out by an Indian. 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.

Solving 1 line...
You are Kindergarten graduate.

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Solved all, PhD..

Go ahead and get your mind busy.​

Answer 1

Answer:

$3 \times 3 - 3 = 6 \\ \sqrt{4} + \sqrt{4} + \sqrt{4} = 6 \\ 5 \div 5 + 5 = 6 \\ 6 \times 6 \div 6 = 6 \\ 7 - (7 \div 7) = 6 \\ \sqrt[3]{8} + \sqrt[3]{8} + \sqrt[3]{8} = 6 \\ \\ \sqrt{9} \times \sqrt{9} - \sqrt{9} = 6$