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Afla toate numerele de forma ab <63 cu a=b+3.

Răspuns :

[tex]10(b+3)+b\ \textless \ 63[/tex]
[tex]10b+30+b\ \textless \ 63[/tex]
[tex]11b\ \textless \ 33[/tex]
[tex]b\ \textless \ 3[/tex]
[tex]b=0,1,2[/tex]
[tex]a=3,4,5[/tex]
[tex]Rasp:10,12,13,14,15,20,21,23,24,25,30,31,32,34,35,40,41,42,43,[/tex][tex]45,50,51,52,53,54[/tex]