28 September 2014

• curprev 02:1002:10, 28 September 2014 Timneh talk contribs m 532 bytes +103 →Solution

20 April 2014

• curprev 17:4017:40, 20 April 2014 Suli talk contribs m 429 bytes −1 →Solution
• curprev 17:3917:39, 20 April 2014 Suli talk contribs 430 bytes +156 No edit summary

5 July 2013

• curprev 12:5212:52, 5 July 2013 Nathan wailes talk contribs 274 bytes +15 No edit summary

17 March 2013

• curprev 00:3500:35, 17 March 2013 Ckorr2003 talk contribs 259 bytes +259 Created page with "\If <math>x=\frac{a}{b}</math>, <math>a\neq b</math> and <math>b\neq 0</math>, then <math>\frac{a+b}{a-b}=</math> (A) <math>\frac{x}{x+1}</math> (B) <math>\frac{x+1}{x-1}</math>..."