What is 1 1 1 equal 1?

1+1-1=1, 1x1x1=1, 1-1+1=1, 1/1/1=1, 1/1x1=1...
1+1-1=1, 1x1x1=1, 1-1+1=1, 1/1/1=1, 1/1x1=1...