User contributions
- 00:18, 6 July 2017 (diff | hist) . . (-26) . . Vieta's Formulas (→Introduction)
- 00:17, 6 July 2017 (diff | hist) . . (-23) . . Vieta's Formulas (→Introduction)
- 00:16, 6 July 2017 (diff | hist) . . (+24) . . Vieta's Formulas (→Introduction)
- 00:15, 6 July 2017 (diff | hist) . . (+23) . . Vieta's Formulas (→Introduction)
- 00:15, 6 July 2017 (diff | hist) . . (+13) . . Vieta's Formulas (→Problems)