1)
"Zos" comes to exclude and "Toras" to include. What does the latter include and what does the former exclude?
1.
Kerisos, 28a: "Toras" teaches us that a Metzora Ani who brought the Korban of a Metzora Ashir is Yotzei and "Zos", that a Metzora Ashir who brought the Korban of a Metzora Ani is not. 1
1
See Torah Temimah, note 106.
2)
What are the implications of the words "asher Lo Tasig Yado be'Taharaso"?