# User contributions

- 10:38, 10 March 2015 (diff | hist) . . (+56) . . 2014 USAJMO Problems/Problem 2
- 10:28, 10 March 2015 (diff | hist) . . (+1) . . 2014 USAJMO Problems/Problem 2
- 10:27, 10 March 2015 (diff | hist) . . (+2) . . 2014 USAJMO Problems/Problem 2
- 15:48, 6 March 2015 (diff | hist) . . (+1) . . 2015 AMC 10B Problems/Problem 12
- 15:46, 6 March 2015
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**(+1,442)** . . N 2015 AMC 10B Problems/Problem 9 (Created page with "==Problem== The shaded region below is called a shark's fin falcata, a figure studied by Leonardo da Vinci. It is bounded by the portion of the circle of radius <math>3</math>...") - 14:57, 6 March 2015 (diff | hist) . . (0) . . 2015 AMC 10B Problems/Problem 14
- 14:57, 6 March 2015 (diff | hist) . . (+9) . . 2015 AMC 10B Problems/Problem 14
- 14:55, 6 March 2015 (diff | hist) . . (+466) . . 2015 AMC 10B Problems/Problem 17
- 14:47, 6 March 2015 (diff | hist) . . (+11) . . 2015 AMC 10B Problems/Problem 17
- 14:46, 6 March 2015
(diff | hist) . .
**(+662)** . . 2015 AMC 10B Problems/Problem 17 - 22:13, 4 March 2015 (diff | hist) . . (+1) . . 2015 AMC 10B Answer Key
- 20:07, 4 March 2015 (diff | hist) . . (+12) . . 2015 AMC 10B Problems/Problem 5
- 20:07, 4 March 2015
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**(+914)** . . N 2015 AMC 10B Problems/Problem 5 (Created page with "==Problem== David, Hikmet, Jack, Marta, Rand, and Todd were in a <math>12</math>-person race with <math>6</math> other people. Rand finished <math>6</math> places ahead of Hik...") - 19:56, 4 March 2015
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**(+1,071)** . . N 2015 AMC 10B Problems/Problem 6 (Created page with "==Problem== Marley practices exactly one sport each day of the week. She runs three days a week but never on two consecutive days. On Monday she plays basketball and two days ...") - 19:43, 4 March 2015 (diff | hist) . . (+74) . . 2015 AMC 10B Problems/Problem 7
- 19:13, 4 March 2015 (diff | hist) . . (+26) . . 2015 AMC 10B Problems/Problem 7
- 19:12, 4 March 2015
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**(+763)** . . N 2015 AMC 10B Problems/Problem 7 (Created page with "==Problem== Consider the operation "minus the reciprocal of," defined by <math>a\diamond b=a-\frac{1}{b}</math>. What is <math>((1\diamond2)\diamond3)-(1\diamond(2\diamond3))<...") - 19:06, 4 March 2015 (diff | hist) . . (+1) . . 2015 AMC 10B Problems/Problem 18
- 19:05, 4 March 2015 (diff | hist) . . (+75) . . 2015 AMC 10B Problems/Problem 18
- 19:03, 4 March 2015
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**(+594)** . . N 2015 AMC 10B Problems/Problem 18 (Created page with "==Problem== Johann has <math>64</math> fair coins. He flips all the coins. Any coin that lands on tails is tossed again. Coins that land on tails on the second toss are tossed...") - 18:58, 4 March 2015 (diff | hist) . . (0) . . 2015 AMC 10B Problems/Problem 23
- 18:57, 4 March 2015 (diff | hist) . . (+1) . . m 2015 AMC 10B Problems/Problem 25
- 18:56, 4 March 2015 (diff | hist) . . (-9) . . 2015 AMC 10B Problems/Problem 23
- 18:56, 4 March 2015 (diff | hist) . . (-9) . . 2015 AMC 10B Problems/Problem 13
- 18:55, 4 March 2015 (diff | hist) . . (-9) . . 2015 AMC 10B Problems/Problem 8
- 18:55, 4 March 2015 (diff | hist) . . (-9) . . 2015 AMC 10B Problems/Problem 4
- 18:54, 4 March 2015 (diff | hist) . . (-9) . . 2015 AMC 10B Problems/Problem 3
- 18:54, 4 March 2015 (diff | hist) . . (-9) . . 2015 AMC 10B Problems/Problem 2
- 18:51, 4 March 2015 (diff | hist) . . (0) . . 2015 AMC 10B Problems/Problem 8
- 18:51, 4 March 2015 (diff | hist) . . (+2) . . 2015 AMC 10B Problems/Problem 23
- 18:50, 4 March 2015 (diff | hist) . . (+1) . . 2015 AMC 10B Problems/Problem 23
- 18:49, 4 March 2015 (diff | hist) . . (+83) . . 2015 AMC 10B Problems/Problem 23
- 18:38, 4 March 2015
(diff | hist) . .
**(+1,671)** . . N 2015 AMC 10B Problems/Problem 23 (Created page with "==Problem== Let <math>n</math> be a positive integer greater than 4 such that the decimal representation of <math>n!</math> ends in <math>k</math> zeros and the decimal repres...") - 18:25, 4 March 2015 (diff | hist) . . (+81) . . 2015 AMC 10B Problems/Problem 8
- 18:24, 4 March 2015
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**(+679)** . . N 2015 AMC 10B Problems/Problem 8 (Created page with "==Problem== The letter F shown below is rotated <math>90^\circ</math> clockwise around the origin, then reflected in the <math>y</math>-axis, and then rotated a half turn aro...") - 18:11, 4 March 2015 (diff | hist) . . (+9) . . File:Fproblem.png (current)
- 18:09, 4 March 2015 (diff | hist) . . (+35) . . N File:Foriginal.png (2015 AMC 10B Problem 8 original "F") (current)
- 18:08, 4 March 2015 (diff | hist) . . (+28) . . N File:Fproblem.png (2015 AMC 10B Problem 8 image)