Răspunsuri

2014-01-23T14:44:58+02:00
I= l------l 
II= l-l V: 
III=l--l 42 
63:9=7 II 14 
7x2=14 III 7 
7x6=42 63
2014-01-23T14:45:03+02:00
Fie a,b,c numerele. a+b+c=63. a=3c b=c/2. c+c/2+3c=63⇔8c=126⇔c=63/4. ⇒a=3*63/4=189/4 si b=63/8.