logic gates question

[maie]

hey, new here.
i need to make this circuit-

with only two not gates, and non limited and gates and or gates.
how can i solve this?

 

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I'm certain you didn't do a google search for this:
How to invert three signals with only two NOT gates

This is an old brain teaser from Clive Maxfield of EE Times.

If this is a homework problem your professor is exceptionally lazy. ;-)

 

[maie]

haha thanks, but i have to do it with AND and OR gates.

 

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The second page has the solutions 3 of them to be exact that all work with 2 NOT gates and multiple AND and OR gates.
The 3rd solution is my personal favorite.