Răspuns :
1130,2230,3330,4430,5530,6630,7730,8830,9930
1160,2260,3360,4460,5560,6660,7760,8860,9960
1190,2290,3390,4490,5590,6690,7790,8890,9990
1160,2260,3360,4460,5560,6660,7760,8860,9960
1190,2290,3390,4490,5590,6690,7790,8890,9990
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daca aa3b divizibil cu 10 daca b=0
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si aa30 divizibil cu 3 daca a+a+3+0=M₃
↓
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aa30={ 3330 ; 6630 ; 9930 }
daca aa3b divizibil cu 10 daca b=0
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si aa30 divizibil cu 3 daca a+a+3+0=M₃
↓
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aa30={ 3330 ; 6630 ; 9930 }