Răspunsuri

2014-10-14T20:48:53+03:00
X,y apartine N
(in sistem)
x*y=925
(x+12)*y=1225   
 
x=925/y
(925/y+12)y=1225

x=925/y
925+12y=1225

x=925/y
12y=1225-925

x=925/y
y=300/12

x=925/25
y=25

x=37
y=25