Question 1208061
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After reading the analysis by @greenestamps, I am horrified and I am shocked, 
to what extent is irresponsible and careless writing of this visitor.


No one can trust any single word or any single formula or any single number in his posts . . . 


I have an advice to this visitor: consider to visit lessons/classes on Math reading and writing.
It is absolutely necessary to you, because your reading/writing/understanding  skills in Math 
are at the zero level (if not significantly below it . . . )



Couple more such posts, and I will write a message to the managers of this project
asking them to remove this person from this forum for his permanent inability 
to provide a proper input in each and every his post.