Put 1 horizontally in the middle of11to become 1+ 1 = 1, as shown in the following figure:

Extended data:

Other topics of moving matches

1,1+1-711= 30 Move a matchstick to make the equation hold.

Method: Move the horizontal matchstick above 7 to the upper left of+to become 4, and the equation will be established.

The result is:141-11= 30.

2,5+5+5+5+5 = 555. Move or add a match to make the equation hold.

Method: Add 1 stroke to the plus sign to become 4.

The result is: 545+5+5=555.