Răspunsuri

2014-04-25T16:37:18+03:00
A+b+c=5274
a+b=2985
b+c=4378
inlocuiesti a+b=2985 in prima relatie 
2985+c=5274
c= 5274-2985
c=2289
inlocuiesti pe c in a II-a relatie 
b+2289=4378
b=4378-2289
b=2089
a=2985-2085
a= 896
2014-04-25T20:56:58+03:00

C1+C2+C3=5274
C1+C2=2985
C2+C3=4378
C3= 5274-2985=2289
C1= 5274-4378=896
C2= 5274-(2289+896)= 5274-3185=2089