Matchstick Formula

This is a simple classic puzzle game.
Move the matchsticks to make the formula correct to solve the puzzle.
Or move the matchsticks to make squares to solve to puzzle.
There are 4800 puzzles!
Some of the puzzles are very interesting and challenging!

The method of operation is, tap to choose a matchstick, have a matchstick selected, tap a vacancy to place it.
When hold down the screen, you can open a magnifier to help to aim.