Răspunsuri

2014-10-24T15:12:11+03:00
B-6982=3017
B=3017+6982
B=9999

9999-6982=3017
SAU 
9999-3017=6982
2014-10-24T15:13:55+03:00
B-(4299+2683)=3017
B-6982=3017
B=6982+3017
B=9999
verificare
9999-(4299+2683)=3017
9999-6982=3017
3017=3017