Răspunsuri

2014-05-31T21:08:29+03:00
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
1 4 1
2014-05-31T22:39:17+03:00
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