Question
讘讻诪讛 讚专讻讬诐 砖讜谞讜转 谞讬转谉 诇讘讞讜专 6 住驻专讜转 a,b,c,d,e,f 砖讻讜诇谉 砖讜谞讜转 诪-0 (讜诇讗 讘讛讻专讞 砖讜谞讜转 讝讜
诪讝讜), 讻讱 砖讛诪住驻专 讛砖砖-住驻专转讬 `ab00cd` 讬转讞诇拽 讘诪住驻专 讛砖砖-住驻专转讬 `cd00ef`?
诪讝讜), 讻讱 砖讛诪住驻专 讛砖砖-住驻专转讬 `ab00cd` 讬转讞诇拽 讘诪住驻专 讛砖砖-住驻专转讬 `cd00ef`?
Topics:
Number Theory
->
Modular Arithmetic / Remainder Arithmetic
->
Divisibility Rules
Combinatorics
->
Case Analysis / Checking Cases
->
Processes / Procedures
- Israeli IMO Selection, 2025, Stage B Question 5
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