Răspuns :
a+b=60
a=b5
b5+b=60
b6=60
b=60÷6
b=10(trandafiri in a doua vaza)
a=b5
a=10×5
a=50(trandafiri in prima vaza)
v: 50+10=60 (trandafiri)
a=b5
b5+b=60
b6=60
b=60÷6
b=10(trandafiri in a doua vaza)
a=b5
a=10×5
a=50(trandafiri in prima vaza)
v: 50+10=60 (trandafiri)
notam: x-nr. de trandafiri din prima vaza; y-nr. de trandafiri din a doua vaza.
x+y=60=>x=60-y; 5y=x=>5y=60-y
6y=60 x=60-10
y=10 x=50
R/s: 50; 10
x+y=60=>x=60-y; 5y=x=>5y=60-y
6y=60 x=60-10
y=10 x=50
R/s: 50; 10