1)
Why does it specify Olah?
1.
Radak: It was Tamid (offered twice every day).
2.
Vilna Gaon: It means that one who ascends the mountain [on which the Mikdash is built], he encounters these tables.
2)
Why does it say "v'Yanichu" with the prefix Vov?
1.
Radak: The Vov is extra, like "va'Yisa Avraham Es Einav" (Bereishis 22:4).
3)
Which Kelim did they put on the tables?
1.
Rashi: Knives, and buckets to receive blood.
4)
What does "veha'Zavach" add?
1.
Radak: They put on the tables also Kelim for other Korbanos.
5)
Where were these tables? The verse does not specify!
1.
Malbim: They were in the way that ascends from Pesach ha'Sha'ar to Chatzer ha'Penimi.