# User contributions

- 00:17, 7 January 2012
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**(+804)** . . Chinese Remainder Theorem - 21:24, 21 December 2011
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**(+1,696)** . . N 1970 Canadian MO Problems/Problem 6 (Created page with "== Problem == Given three non-collinear points <math>A,B,C,</math> construct a circle with centre <math>C</math> such that the tangents from <math>A</math> and <math>B</math> are...") (current) - 22:44, 16 December 2011
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**(+1,471)** . . N 1973 Canadian MO Problems/Problem 7 (Created page with "==Problem== <math>\text{(i)}</math> Observe that <math>\frac{1}{1}= \frac{1}{2}+\frac{1}{2};\quad \frac{1}{2}=\frac{1}{3}+\frac{1}{6};\quad \frac{1}{3}=\frac{1}{4}+\frac{1}{12};...") - 21:55, 16 December 2011 (diff | hist) . . (+473) . . 1973 Canadian MO Problems (→Problem 7)
- 21:37, 16 December 2011 (diff | hist) . . (+138) . . 1973 Canadian MO Problems
- 21:36, 16 December 2011 (diff | hist) . . (+86) . . 1973 Canadian MO (current)
- 21:34, 16 December 2011
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**(+1,072)** . . N 1973 Canadian MO Problems/Problem 3 (Created page with "==Problem== Prove that if <math>p</math> and <math>p+2</math> are prime integers greater than <math>3</math>, then <math>6</math> is a factor of <math>p+1</math>. ==Solution==...") (current) - 21:27, 16 December 2011
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**(+704)** . . 1973 Canadian MO Problems (→Problem 1) - 21:22, 16 December 2011
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**(+2,232)** . . N 1973 Canadian MO Problems/Problem 1 (Created page with "==Problem== <math>\text{(i)}</math> Solve the simultaneous inequalities, <math>x<\frac{1}{4x}</math> and <math>x<0</math>; i.e. find a single inequality equivalent to the two si...") - 20:50, 16 December 2011 (diff | hist) . . (+380) . . N 1973 Canadian MO Problems (Created page with "==Problem 1== Solution ==Problem 2== Solution ==Problem 3== [[1973 Canadian MO Prob...")
- 20:49, 16 December 2011
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**(+516)** . . N 1973 Canadian MO (Created page with "'''1973 Canadian MO''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * [[1973 Canad...") - 20:49, 16 December 2011 (diff | hist) . . (+23) . . m Canadian MO Problems and Solutions
- 22:39, 14 December 2011
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**(+1,170)** . . N 1970 Canadian MO Problems/Problem 1 (Created page with "== Problem == Find all number triples <math> (x,y,z)</math> such that when any of these numbers is added to the product of the other two, the result is <math>2</math>. == Soluti...") - 22:13, 14 December 2011 (diff | hist) . . (-1) . . 1971 Canadian MO Problems/Problem 6 (→Solution)
- 22:12, 14 December 2011 (diff | hist) . . (+13) . . 1971 Canadian MO Problems/Problem 6 (→Solution)
- 22:12, 14 December 2011 (diff | hist) . . (+17) . . 1971 Canadian MO Problems/Problem 6 (→Solution)
- 22:06, 14 December 2011 (diff | hist) . . (+39) . . 1971 Canadian MO Problems/Problem 6 (→Solution)
- 22:06, 14 December 2011 (diff | hist) . . (+74) . . 1971 Canadian MO Problems/Problem 6
- 21:52, 14 December 2011
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**(+1,218)** . . N 1980 Canadian MO Problems/Problem 1 (Created page with "==Problem== If <math>a679b</math> is the decimal expansion of a number in base <math>10</math>, such that it is divisible by <math>72</math>, determine <math>a,b</math>. ==Sol...") (current) - 21:40, 14 December 2011
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**(+540)** . . N 1980 Canadian MO Problems (Created page with "==Problem 1== If <math>a679b</math> is the decimal expansion of a number in base <math>10</math>, such that it is divisible by <math>72</math>, determine <math> a,b</math>. [...") - 21:38, 14 December 2011 (diff | hist) . . (+89) . . 1980 Canadian MO (→See also) (current)
- 21:38, 14 December 2011
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**(-1,705)** . . 1980 Canadian MO - 21:36, 14 December 2011
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**(+2,132)** . . N 1980 Canadian MO (Created page with "== Problem 1 == If <math>a679b</math> is the decimal expansion of a number in base <math>10</math>, such that it is divisible by <math>72</math>, determine <math> a,b</math>. ...") - 21:33, 14 December 2011 (diff | hist) . . (+23) . . Canadian MO Problems and Solutions
- 22:51, 13 December 2011 (diff | hist) . . (+1) . . 1971 Canadian MO Problems (→Problem 8)
- 22:51, 13 December 2011
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**(+1,297)** . . 1971 Canadian MO Problems - 22:49, 13 December 2011 (diff | hist) . . (+1) . . 1971 Canadian MO Problems (→Problem 6)
- 22:49, 13 December 2011 (diff | hist) . . (+231) . . 1971 Canadian MO Problems (→Problem 5)
- 22:47, 13 December 2011 (diff | hist) . . (+94) . . 1971 Canadian MO Problems (→Problem 6)
- 22:42, 13 December 2011
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**(+2,060)** . . N 1971 Canadian MO Problems/Problem 6 (Created page with "== Problem == Show that, for all integers <math>n</math>, <math>n^2+2n+12</math> is not a multiple of <math>121</math>. == Solution == <math>n^2 + 2n + 12 = (n+1)^2 + 11</math...") - 22:27, 13 December 2011 (diff | hist) . . (+335) . . 1971 Canadian MO Problems
- 22:26, 13 December 2011
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**(+520)** . . N 1971 Canadian MO Problems/Problem 3 (Created page with "== Problem == <math>ABCD</math> is a quadrilateral with <math>AD=BC</math>. If <math>\angle ADC</math> is greater than <math>\angle BCD</math>, prove that <math>AC>BD</math>. =...") - 22:24, 13 December 2011 (diff | hist) . . (0) . . 1971 Canadian MO Problems/Problem 2
- 22:14, 13 December 2011
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**(+856)** . . N 1971 Canadian MO Problems/Problem 2 (Created page with "== Problem == Let <math>x</math> and <math>y</math> be positive real numbers such that <math>x+y=1</math>. Show that <math>\left(1+\frac{1}{x}\right)\left(1+\frac{1}{y}\right)\ge...") - 21:03, 13 December 2011
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**(+1,079)** . . 1971 Canadian MO Problems/Problem 4 (→Solution) - 21:14, 16 October 2011
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**(+2,353)** . . 1960 IMO Problems/Problem 1