Răspuns :
a+b+c=576
c=b/2= (a-1)/2
b=a-1
a+a-1 + (a-1)/2=576 aducem la acelasi numitor
2a+2a-2+a-1=1152
5a-3=1152
5a=1152+3
5a=1155
a=231
b=231-1=230
c=(231-1)/2= 230/2= 115
c=b/2= (a-1)/2
b=a-1
a+a-1 + (a-1)/2=576 aducem la acelasi numitor
2a+2a-2+a-1=1152
5a-3=1152
5a=1152+3
5a=1155
a=231
b=231-1=230
c=(231-1)/2= 230/2= 115
a+b+c=576
c=a/2 ; 2c=a
a=b-1 ; a+1=b
1+a+a+a/2=576
1+2a+a/2=576
2+4a+a=1152
2+5a=1152
5a=1150
a=230 ; b=231 ; c=115
c=a/2 ; 2c=a
a=b-1 ; a+1=b
1+a+a+a/2=576
1+2a+a/2=576
2+4a+a=1152
2+5a=1152
5a=1150
a=230 ; b=231 ; c=115