(Mishnah): If an Arusah vowed, was divorced that same day, and became Mekudeshes again the same day, even if she remarried 100 times that day, her father and the last Arus annul her vows;

The rule is, as long as she was never in her own Reshus, her father and the last Arus annul her vows.

(Gemara - R. Heila): "Hayo Sihyeh" - even Kidushin to 100 [men, one after the other], her father and the last husband annul her vows.

(Beraisa): If the father annulled his share, and the husband did not annul his share before he died (and she remarried), the latter husband can annul the first husband's share.

Support (R. Yosi - Mishnah): Her father and the last husband annul her vows.