It's one another.
‘One another’ is Ok, as in ‘they can’t stand one another’.
One number is 10 and the other is 20.
That they do not tessellate with each other
One other name is "coefficient of variation".
Its another word for subtracting one number from the other.
other or one
In the rare cases the one is the other, the other one is always another other. It's mother's other and it's brother always form the other other, assuming that this other other has another.
‘One another’ is Ok, as in ‘they can’t stand one another’.
After, the other one was asked.
Another is one added as the same, and other is one similar but not included.
The correct phrase is "one another." "One another" is used to indicate a reciprocal relationship or mutual action between two or more entities.
Other is general, another is specific. Would you like another piece of pie? That is just one specific other piece of pie. No other pie would be as delicious as this one. Other can refer to any pie, real or hypothetical.
they looked out for each other and took care of each other. Also they housed one another.
Depends on that other person's eyesight.
mutual or reciprocal
well, that is on you. but if you do buy another one you will have to introduce them and that was hard for me too.
additional. OR any other OR any more --- OR another OR one more