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scrie toate numerele naturale de forma a2b care au suma cifrelor 12.Ordoneazale descrescator

Răspuns :

a2b      
129
327
426
624
723
921
921,723,624,426,627,129


129,228,327,426,525,624,723,822,921
ordonate descrescator arata asa

921,822,723,624,525,327,228,129