Răspunsuri

2014-03-04T09:59:45+02:00
X+y+z+a=300
x=2k
y=3k
z=4k
a=6k

2k+3k+4k+6k=300
15k=300
k=300:15
k=20

x=40
y=60
z=80
a=120
2 5 2
2014-03-04T12:25:34+02:00
X/2=y/3=z/4=t/6=(x+y+z+t)/15=300/15=20
x=40
y=60
z=80
t=120