While we normally use "Open the book to Page 3", it actually means "open the book and turn the pages till you reach page 3"
However when the instruction is a command and is expected to be performed as a single actitvity , the more precise English is "open your Book at Page 3", meaning thereby that you complete the process of opening the book and now do what is intended at Page 3.
So I feel the context of what is to be done is more important and use of the appropriate preposition "at" or "to" is context sensitve
Well, judging from the posts in the thread the consensus is that you can use "to page x" or "at page x", but not "on page x". Which you use is your decision, and may be governed by where you work
that what i understand after making a research
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