one one zero

one one zeroone one zero
  1. One minus one is zero

    1减1等于0。

  2. For example , just to illustrate it , we have seen that one of our classics has been the circle of radius one centered at one , zero .

    举个例子说明一下吧,以前我们见过的,也就是圆心在处,半径为1的圆。