Question
讛诪讜专讛 讞讬诇拽讛 (注诐 砖讗专讬转) 讗转 诪住驻专 讛转诇诪讬讚讬诐 讘砖讻讘讛 讘-2, 讘-3, 讘-4, 讘-5 讜讘-9. 讻砖住讬讻诪讛 讗转 讛砖讗专讬讜转, 拽讬讘诇讛 18. 诪爪讗 讗转 诪住驻专 讛转诇诪讬讚讬诐 讘砖讻讘讛, 讗诐 讬讚讜注 砖讛诪住驻专 拽讟谉 诪-300.
Topics:
Number Theory
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Modular Arithmetic / Remainder Arithmetic
->
Divisibility Rules
Algebra
->
Word Problems
Combinatorics
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Case Analysis / Checking Cases
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Processes / Procedures
Arithmetic
->
Division with Remainder
- Israeli IMO Selection, 2011, Stage A Question 6
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