Răspunsuri

2014-06-08T17:11:15+03:00

a+b=559

b+c=797

a+c=586

le adunam pe toate si obtinem

2a+2b+2c=1942|:2

a+b+c=971

                   din amandoua rezulta ca c=971-559=  412 

a+b=559

a+c=586

a+412=586

a=586-412

a=174

a+b=559

174+b=559

b=559-174

b=385

2 5 2