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• 09:30, 26 May 2021 (diff | hist) . . (+136)‎ . . m 2020 AMC 12B Problems ‎ (→‎Problem 19: Improved formatting. I found the source at the IvyLeague Test Center.)
• 09:26, 26 May 2021 (diff | hist) . . (-3)‎ . . m 2020 AMC 12B Problems/Problem 25 ‎ (→‎Problem 25)
• 17:08, 25 May 2021 (diff | hist) . . (-4)‎ . . m 2021 AMC 10A Problems/Problem 25 ‎ (→‎Solution 4 (Casework on the Red Chips' Configurations))
• 17:02, 25 May 2021 (diff | hist) . . (0)‎ . . m 2020 AMC 10A Problems/Problem 24 ‎ (→‎Video Solution 3 (Quick & Simple): Swapped the website and signature.)
• 12:46, 25 May 2021 (diff | hist) . . (+4)‎ . . m 2020 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1 (Comprehensive Solution in Algebra))
• 04:06, 25 May 2021 (diff | hist) . . (+3)‎ . . m 2020 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1 (Comprehensive Solution in Algebra))
• 03:56, 25 May 2021 (diff | hist) . . (-19)‎ . . m 2020 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1 (Comprehensive Solution in Algebra))
• 03:50, 25 May 2021 (diff | hist) . . (+78)‎ . . m 2020 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1 (Comprehensive Solution in Algebra))
• 01:05, 24 May 2021 (diff | hist) . . (-1)‎ . . m 2021 AIME I Problems/Problem 7 ‎ (→‎Solution 2: Deleted extra line.)
• 00:07, 24 May 2021 (diff | hist) . . (+1)‎ . . m 2021 AIME I Problems/Problem 6 ‎ (→‎Solution 2 (Solution 1 with slight simplification))
• 21:14, 23 May 2021 (diff | hist) . . (0)‎ . . m 2020 AMC 10A Problems/Problem 22 ‎ (→‎Solution 2 - Solution 1 but much simpler: Fixed title convention.)
• 16:35, 23 May 2021 (diff | hist) . . (0)‎ . . m 2021 AIME II Problems/Problem 2 ‎ (→‎Solution 1 (Area Formulas for Triangles): angle-chasing -> angle chasing)
• 09:49, 23 May 2021 (diff | hist) . . (+1)‎ . . 2021 AIME II Problems/Problem 15 ‎ (→‎Solution 2 (Four Variables))
• 01:31, 23 May 2021 (diff | hist) . . (+220)‎ . . 2020 AMC 12B Problems/Problem 6 ‎ (→‎Solution 2: The original solution violates the condition that n>=9. I am adding explanation why violating it is OK.)
• 01:00, 23 May 2021 (diff | hist) . . (+28)‎ . . m 2021 AIME II Problems/Problem 10 ‎ (→‎Solution 3 (Illustrations))
• 00:54, 23 May 2021 (diff | hist) . . (-13)‎ . . m 2021 AIME II Problems/Problem 10 ‎ (→‎Solution 3 (Illustration of Solution 1))
• 23:09, 22 May 2021 (diff | hist) . . (0)‎ . . m 2020 AMC 12B Problems/Problem 6 ‎
• 23:08, 22 May 2021 (diff | hist) . . (-3)‎ . . m 2020 AMC 12B Problems/Problem 22 ‎ (→‎Problem 22)
• 19:48, 22 May 2021 (diff | hist) . . (-103)‎ . . m 2021 AIME II Problems/Problem 10 ‎ (→‎Diagram)
• 19:32, 22 May 2021 (diff | hist) . . (0)‎ . . 2021 AIME II Problems/Problem 10 ‎ (Undo revision 154116 by MRENTHUSIASM (talk)) (Tag: Undo)
• 19:31, 22 May 2021 (diff | hist) . . (0)‎ . . 2021 AIME II Problems/Problem 10 ‎ (→‎Diagram)
• 19:30, 22 May 2021 (diff | hist) . . (-34)‎ . . m 2021 AIME II Problems/Problem 10 ‎ (→‎Diagram)
• 00:08, 22 May 2021 (diff | hist) . . (+4)‎ . . m 2021 AMC 12A Problems/Problem 13 ‎ (→‎Solution 3 (Binomial Theorem))
• 23:56, 21 May 2021 (diff | hist) . . (+42)‎ . . m 2021 AMC 12A Problems/Problem 13 ‎ (→‎Solution 2 (De Moivre's Theorem: Radians))
• 23:23, 21 May 2021 (diff | hist) . . (+116)‎ . . m 2021 AMC 12A Problems/Problem 13 ‎ (→‎Solution 2 (De Moivre's Theorem: Radians): Defined r and z.)
• 21:04, 21 May 2021 (diff | hist) . . (-1)‎ . . m 2020 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1 (Comprehensive Solution in Algebra))
• 18:28, 21 May 2021 (diff | hist) . . (+18)‎ . . m 2020 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1 (Comprehensive Solution in Algebra))
• 18:20, 21 May 2021 (diff | hist) . . (+1)‎ . . m 2020 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1 (Comprehensive Solution in Algebra))
• 16:08, 21 May 2021 (diff | hist) . . (+42)‎ . . m 2021 AMC 12A Problems/Problem 13 ‎
• 15:51, 21 May 2021 (diff | hist) . . (+1,637)‎ . . 2021 AMC 12A Problems/Problem 13 ‎ (→‎Solution 3 (Binomial Theorem): Solution 3 completed.)
• 14:58, 21 May 2021 (diff | hist) . . (+855)‎ . . 2021 AMC 12A Problems/Problem 13 ‎ (→‎Solution 3.1 (Real Parts Only))
• 14:30, 21 May 2021 (diff | hist) . . (-6)‎ . . m 2021 AMC 12B Problems/Problem 20 ‎ (→‎Solution 3 (Directly finding the quotient by using patterns): Deleted the extra QUAD at the end of the box. Minor fix.)
• 14:07, 21 May 2021 (diff | hist) . . (-161)‎ . . 2021 AMC 12A Problems/Problem 13 ‎ (→‎Solution 2 (Radians))
• 14:00, 21 May 2021 (diff | hist) . . (+20)‎ . . m 2020 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1 (Comprehensive))
• 13:44, 21 May 2021 (diff | hist) . . (+1,560)‎ . . 2021 AMC 12A Problems/Problem 13 ‎ (I will come back later.)
• 02:14, 21 May 2021 (diff | hist) . . (+7)‎ . . m 2020 AMC 10A Problems/Problem 24 ‎ (→‎Solution 11 (Euclidean Algorithm))
• 02:14, 21 May 2021 (diff | hist) . . (-7)‎ . . 2020 AMC 10A Problems/Problem 24 ‎ (→‎Solution 11 (Euclidean Algorithm))
• 17:22, 20 May 2021 (diff | hist) . . (-4)‎ . . m 2021 AMC 10A Problems/Problem 4 ‎ (→‎Solution 1 (Arithmetic Series): addend -> term to maintain consistency)
• 16:58, 20 May 2021 (diff | hist) . . (+8)‎ . . m 2021 AMC 10A Problems/Problem 4 ‎ (→‎Solution 2 (Answer Choices and Modular Arithmetic))
• 16:56, 20 May 2021 (diff | hist) . . (+17)‎ . . m 2021 AMC 10A Problems/Problem 4 ‎ (→‎Solution 1 (Arithmetic Series))
• 16:44, 20 May 2021 (diff | hist) . . (-7)‎ . . m 2021 AMC 10A Problems/Problem 4 ‎ (→‎Solution 1 (Arithmetic Series))
• 16:42, 20 May 2021 (diff | hist) . . (+14)‎ . . m 2021 AMC 10A Problems/Problem 4 ‎ (→‎Solution 1 (Arithmetic Series))
• 16:06, 20 May 2021 (diff | hist) . . (+2)‎ . . m 2020 AMC 10A Problems/Problem 24 ‎ (→‎Solution 11 (Euclidean Algorithm))
• 16:03, 20 May 2021 (diff | hist) . . (-2)‎ . . 2020 AMC 10A Problems/Problem 24 ‎ (→‎Solution 11 (Euclidean Algorithm))
• 15:58, 20 May 2021 (diff | hist) . . (-4)‎ . . m 2020 AMC 10A Problems/Problem 24 ‎ (→‎Solution 11 (Euclidean Algorithm))
• 15:47, 20 May 2021 (diff | hist) . . (-2)‎ . . m 2021 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1)
• 15:44, 20 May 2021 (diff | hist) . . (+5)‎ . . m 2021 AMC 12A Problems/Problem 25 ‎ (→‎Solution 1)
• 14:12, 20 May 2021 (diff | hist) . . (+44)‎ . . m 2021 AMC 12A Problems/Problem 21 ‎ (→‎Solution 2 (Three Variables, Three Equations))
• 14:03, 20 May 2021 (diff | hist) . . (+14)‎ . . m 2021 AMC 12A Problems/Problem 21 ‎ (→‎Solution 2 (Three Variables, Three Equations))
• 13:42, 20 May 2021 (diff | hist) . . (+2)‎ . . m 2021 AMC 12A Problems/Problem 21 ‎ (→‎Solution 2 (Three Variables, Three Equations))

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