Which Nedarim and Nedavos is the Torah referring to?
Rashi: It is referring both to Nedarim and Nedavos that one undertakes on Yom-Tov itself - which is a Mitzvah - and to Nedarim and Nedavos that one undertook to bring during the year. 1
Targum Yonasan and Sifri: It is referring specifically to Nedarim and Nedavos that one undertakes on Yom-Tov itself.
Temurah, 14b: "Eileh Ta'asu ... " refers to the obligatory Korbanos of Yom-Tov, and "L'vad mi'Nidreichem ve'Nidvoseichem", to the Nedarim and Nedavos that one is permitted to bring on Chol ha'Mo'ed. 2
What are the implications of the word "be'Mo'adeichem"?
Pesachim, 77a: It implies "be'Mo'adeichem" 'Afilu be'Shabbos'; "be'Mo'adeichem" - 'Afilu be'Tum'ah'.Regarding all Korb'nos Tzibur thaat have a fixed time. 1
Rosh Hashnah, 4b: It implies that the Musafim of all the Mo'adim are conneted - inasmuch as they all atone for Tum'as Mikdash ve'Kodashaav. 2
Having written "Nidreichem ve'Nidvoseichem", why does the Torah insert "le'Oloseichem u'le'Minchoseichem, u'le'Shalmeichem"?
Temurah, 14b: 'Oloseichem" refers to the Olah of a Yoledes and the Olah of a Metzora, "Minchoseichem", to the Minchah of a Chotei 1 and the Minchah of a Sotah, and 'Shimeichem", to Shalmei Nazir (all of which are obligatory).
Menachos, 104b: "l'Oloseichem" and "u'le'Shalmeichem" (plural) teaches us that two people may bring an Olah or a Shelamim between them.
Of a Korban Olah ve'Yoreid. See Torah Temimah, note 38 who changes the text from 'Minchas Kena'os' to 'Minchas Chotei'.
Having written "Nidreichem ve'Nidvoseichem", why does the Torah insert "u'le'Niskeichem"?
