1)
What are the Chukim and Mishpatim that Hashem commanded Moshe at Har Sinai to teach Yisrael?
1.
Rashi: It refers to the oral Torah - to explain the Chukim and Mishpatim that Hashem had already taught them.
2.
Ramban, Targum Onkelos and Targfum Yonasan: It refers to the other Mitzvos, besides the Aseres ha'Dibros which they heard from Hashem directly.
3.
Rashbam: Hashem commanded him to teach them the Aseres ha'Dibros. 1
2)
Why does the Torah add the suFfix on to "La'asoschem osam"?