Question 1202382
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To write math expression correctly, use dividers to separate them.


It is the same rule as to use dividers between words and sentences, 
when you write a text.   Clear ?   Are you familiar with it ?


        In your post,  math expressions are written 

        as if you write them in the first time in your life . . . 


It is even better to write each separate math expression 
in separate line to avoid mess.


Do not try to make your writing as bad as possible  to perplex the readers.

Your goal is not to perplex the readers.


Make it in  OPPOSITE  way:   do it as good as you can.



It will make much more sense  -  FOR  YOU.