Răspunsuri

2014-10-12T14:12:13+03:00
2ab+3ba=577
a+b=7deci nr care adunate dau 7 sunt
a=0,1,2,3,4,5,6,7
b=7,6,5,4,3,2,1,0
deci nr sunt:207,216,225,234,243,252,261,270,307,316,325,334,343,352,361,370
Mulțumes mult !!! :* :* :)
cu placere
O sa te marchez ca cel mai bun