3+2=6 is incorrect. Move ONE matchstick to make the equation true.
The equation 3+3=5 is wrong. Move exactly ONE matchstick to make it correct. Click a lit segment to pick it up, then click an empty segment to place it.
The equation 5-3=3 is wrong. Move ONE matchstick to make it correct.
6-3=6 is wrong. Move ONE matchstick to fix it.