I'm about to go look.. but generally before I find my answer.. one is provided here I read somewhere along the way, that having to google adds on one page is against the TOC, I see it alla the time though, and recently sware i read something on their site to the contrary, was what I read incorrect, can I have google in two places on the same page? ~LadyH
I am not good in english so I didn't understand completely what you are asking. Anyway, as far I know, you can put upto three adsense on same page.
"A maximum of 3 ad units, 1 link unit, 2 search boxes, and a single referral button per product can be placed upon a page at one time." You should read this: Concise Google ToS Guide
you can use 3 ads unit on one page but if your question is yahoo ads and google ads , you can not use them on one page