Explicație pas cu pas:
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abc= cifre distincte de forma aceasta
a+b+c=7 ≈> numerele de forma
abc= 421,214,502,205,250,124,430,340,403,304,412,142,241
124,241,421,511,115,151,142,214,412,322,223,232
,700,601,502,205,313,331,113(Nu cred ca mai sunt)
Sper ca team ajutat
