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New post There exists a number in this sequence that's divisible by $n$

Last post by Anindya Biswas « Mon Jan 18, 2021 10:10 pm
Posted in Combinatorics

by Anindya Biswas » Mon Jan 18, 2021 10:10 pm » in Combinatorics

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161 Views

Last post by Anindya Biswas
Mon Jan 18, 2021 10:10 pm
New post Minimize this nasty expression!

Last post by Anindya Biswas « Tue Jan 12, 2021 12:46 pm
Posted in Algebra

by Anindya Biswas » Tue Jan 12, 2021 12:46 pm » in Algebra

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184 Views

Last post by Anindya Biswas
Tue Jan 12, 2021 12:46 pm
New post All eight integers are the same modulo 2005

Last post by Enthurelxyz « Sun Jan 10, 2021 1:12 pm
Posted in Number Theory

by Enthurelxyz » Sun Jan 10, 2021 1:12 pm » in Number Theory

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222 Views

Last post by Enthurelxyz
Sun Jan 10, 2021 1:12 pm
New post Iranian Geometry Olympiad 2020 (Elementary) P5

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 5:01 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 5:01 pm » in Geometry

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205 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 5:01 pm
New post Iranian Geometry Olympiad 2020 (Elementary) P4

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 5:00 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 5:00 pm » in Geometry

0 Replies

179 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 5:00 pm
New post Iranian Geometry Olympiad 2020 (Elementary) P3

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:59 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:59 pm » in Geometry

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168 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:59 pm
New post Iranian Geometry Olympiad 2020 (Elementary) P2

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:57 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:57 pm » in Geometry

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177 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:57 pm
New post Iranian Geometry Olympiad 2020 (Advanced) P5

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:45 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:45 pm » in Geometry

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159 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:45 pm
New post Iranian Geometry Olympiad 2020 (Advanced) P4

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:35 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:35 pm » in Geometry

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163 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:35 pm
New post Iranian Geometry Olympiad 2020 (Advanced) P3

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:29 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:29 pm » in Geometry

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160 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:29 pm
New post Iranian Geometry Olympiad 2020 (Advanced) P2

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:24 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:24 pm » in Geometry

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159 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:24 pm
New post Iranian Geometry Olympiad 2020 (Advanced) P1

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:22 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:22 pm » in Geometry

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161 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:22 pm
New post 7ᵗʰ Iranian Geometry Olympiad (Intermediate) P5

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:18 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:18 pm » in Geometry

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156 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:18 pm
New post 7ᵗʰ Iranian Geometry Olympiad (Intermediate) P4

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:16 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:16 pm » in Geometry

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154 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:16 pm
New post 7ᵗʰ Iranian Geometry Olympiad (Intermediate) P3

Last post by IftakharTausifFarhan « Sat Dec 12, 2020 4:13 pm
Posted in Geometry

by IftakharTausifFarhan » Sat Dec 12, 2020 4:13 pm » in Geometry

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158 Views

Last post by IftakharTausifFarhan
Sat Dec 12, 2020 4:13 pm
New post A Nice Geometry

Last post by Ahnaf_Akif « Thu Dec 10, 2020 12:16 pm
Posted in Geometry

by Ahnaf_Akif » Thu Dec 10, 2020 12:16 pm » in Geometry

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185 Views

Last post by Ahnaf_Akif
Thu Dec 10, 2020 12:16 pm
New post National Math Camp 2020 Exam 2 Problem 4

Last post by FuadAlAlam « Mon Dec 07, 2020 1:37 pm
Posted in National Math Camp

by FuadAlAlam » Mon Dec 07, 2020 1:37 pm » in National Math Camp

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536 Views

Last post by FuadAlAlam
Mon Dec 07, 2020 1:37 pm
New post National Math Camp 2020 Exam 1 Problem 3

Last post by FuadAlAlam « Mon Dec 07, 2020 1:27 pm
Posted in National Math Camp

by FuadAlAlam » Mon Dec 07, 2020 1:27 pm » in National Math Camp

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545 Views

Last post by FuadAlAlam
Mon Dec 07, 2020 1:27 pm
New post BdMO 2012 secondery Q9

Last post by Munir Zaman « Sat Dec 05, 2020 10:06 pm
Posted in National Math Olympiad (BdMO)

by Munir Zaman » Sat Dec 05, 2020 10:06 pm » in National Math Olympiad (BdMO)

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568 Views

Last post by Munir Zaman
Sat Dec 05, 2020 10:06 pm
New post IMO 2020 #3

Last post by FuadAlAlam « Fri Dec 04, 2020 2:21 pm
Posted in International Mathematical Olympiad (IMO)

by FuadAlAlam » Fri Dec 04, 2020 2:21 pm » in International Mathematical Olympiad (IMO)

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570 Views

Last post by FuadAlAlam
Fri Dec 04, 2020 2:21 pm
New post IMO 2020 #6

Last post by FuadAlAlam « Fri Dec 04, 2020 12:49 pm
Posted in International Mathematical Olympiad (IMO)

by FuadAlAlam » Fri Dec 04, 2020 12:49 pm » in International Mathematical Olympiad (IMO)

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569 Views

Last post by FuadAlAlam
Fri Dec 04, 2020 12:49 pm
New post IMO 2020 #5

Last post by FuadAlAlam « Fri Dec 04, 2020 12:48 pm
Posted in International Mathematical Olympiad (IMO)

by FuadAlAlam » Fri Dec 04, 2020 12:48 pm » in International Mathematical Olympiad (IMO)

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353 Views

Last post by FuadAlAlam
Fri Dec 04, 2020 12:48 pm
New post IMO 2020 #4

Last post by FuadAlAlam « Fri Dec 04, 2020 12:47 pm
Posted in International Mathematical Olympiad (IMO)

by FuadAlAlam » Fri Dec 04, 2020 12:47 pm » in International Mathematical Olympiad (IMO)

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370 Views

Last post by FuadAlAlam
Fri Dec 04, 2020 12:47 pm
New post IMO 2020 #1

Last post by FuadAlAlam « Fri Dec 04, 2020 12:39 pm
Posted in International Mathematical Olympiad (IMO)

by FuadAlAlam » Fri Dec 04, 2020 12:39 pm » in International Mathematical Olympiad (IMO)

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182 Views

Last post by FuadAlAlam
Fri Dec 04, 2020 12:39 pm
New post APMO 2020 P5

Last post by Soumitro_Shovon « Thu Dec 03, 2020 9:24 pm
Posted in Asian Pacific Math Olympiad (APMO)

by Soumitro_Shovon » Thu Dec 03, 2020 9:24 pm » in Asian Pacific Math Olympiad (APMO)

0 Replies

80 Views

Last post by Soumitro_Shovon
Thu Dec 03, 2020 9:24 pm

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