Arrange seven matches into the equation shown in
the illustration. It can be seen the equation itself is not correct.
Puzzle 1. Move one match to a new position in order to make
this equation correct.
Puzzle 2. Move three matches to new positions to get a correct
equation. This puzzle can be solved in two different ways.
Puzzle 3*. Move two matches to new positions to get a correct
In all three puzzles it is not allowed to break the matches and an equation
sign has to remain in the final expression.