Răspunsuri

2014-11-02T12:27:34+02:00
Fie a b c nr
a+b+c=56
a:b=2 rest 7 => a= 2b+7
b:c= 3 rest 3 =>b=3c+3
(2b+7)+(3c+3)+c=56
2b+4c=46/:2
b+2c=23
(3c+3)+2c=23
5c=20/:5
c=4 
Raspuns: numerele sunt c=4=> b=15=> a 37
1 2 1