Răspuns :
a+2560=4230
a=4230 - 2560
a = 1 670
b+8340 =15687
b = 15687- 8340
b=7347
c-8540=31324
c=31324 + 8540
c= 39864
a=4230 - 2560
a = 1 670
b+8340 =15687
b = 15687- 8340
b=7347
c-8540=31324
c=31324 + 8540
c= 39864