Give you four random numbers, how to add, subtract, left, in addition, after 24 operations

Packet : 3970961cn700_del111043242521.rar filelist
cn700_del111043242521\Project2.~dpr
cn700_del111043242521\Project2.cfg
cn700_del111043242521\Project2.dof
cn700_del111043242521\Project2.dpr
cn700_del111043242521\Project2.exe
cn700_del111043242521\Project2.res
cn700_del111043242521\Unit1.~ddp
cn700_del111043242521\Unit1.~dfm
cn700_del111043242521\Unit1.~pas
cn700_del111043242521\Unit1.dcu
cn700_del111043242521\Unit1.ddp
cn700_del111043242521\Unit1.dfm
cn700_del111043242521\Unit1.pas
cn700_del111043242521\Unit2.~ddp
cn700_del111043242521\Unit2.~dfm
cn700_del111043242521\Unit2.~pas
cn700_del111043242521\Unit2.dcu
cn700_del111043242521\Unit2.ddp
cn700_del111043242521\Unit2.dfm
cn700_del111043242521\Unit2.pas
cn700_del111043242521\Cn700.com.txt
cn700_del111043242521\readme.htm
cn700_del111043242521\readme.txt
cn700_del111043242521\Welcome to you.url
cn700_del111043242521

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