User contributions
- 03:21, 16 February 2012 (diff | hist) . . (+196) . . N Divisibility rules/Rule for 29 proof (Created page with "If <math>k=d_110^0+d_210^1+d_310^2+...</math>, we can say that <math>k+3d_0\equiv 30k+3d_0\equiv 10k+d_0</math>, which is our original number. [[Divisibility rules | Back to Di...")
- 03:16, 16 February 2012 (diff | hist) . . (+274) . . Divisibility rules
