Question

17. Using mathematical opérations + and-only makes a 3, using the digit 3 exactly three times.
Ans:​

Answer 1

3 + 3 - 3

= 6 - 3

= 3

First add and then subtract , you will get 3.

Or

3 - 3 + 3

= 0 + 3

= 3

First subtract and then add , then also you will get 3.