Question

AFLA NUMERELE NECUNOSCUTE:(976 302-572 193)-B=235 600; (523 211-172 923)-C=253 119; 472 302-131 976=171 005 +D;

Answer 1

(976302-572193)-b=235600

404109-b=235600

B=404109-235600

B=168509

(523211-172923)-c=253119

350288-c=253119

c=350288-253119

c=97169

472302-131976=171005+d

340326=171005+d

d=340326-171005

d=169321