Given that there are two points a and B on the number axis, and the distance between the two points a and B is 3, and the distance between the point a and the origin o is 2, then what are all the points B satisfying the conditions
Four
A is (- 2,0) B is (- 5,0) or (1,0)
Is (2,0) B is (5,0) or (- 1,0)
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