User contributions
- 01:18, 6 July 2017 (diff | hist) . . (-26) . . Vieta's Formulas (→Introduction)
- 01:17, 6 July 2017 (diff | hist) . . (-23) . . Vieta's Formulas (→Introduction)
- 01:16, 6 July 2017 (diff | hist) . . (+24) . . Vieta's Formulas (→Introduction)
- 01:15, 6 July 2017 (diff | hist) . . (+23) . . Vieta's Formulas (→Introduction)
- 01:15, 6 July 2017 (diff | hist) . . (+13) . . Vieta's Formulas (→Problems)