Răspunsuri

2014-03-03T18:16:44+02:00
{x;y} d.p. {5;4}=> x/5=y/4=K=> x=5k    y=4k
5k+4k=4100
9k=4100
k=4100/9
x=4100/9*5=25000/9
y=4100/9*4=16400/9
8 4 8
2014-03-03T18:20:20+02:00
X/5=y/4=k    x=5k    y=4k      5k+4k=4100  9k=4100 k=4100/9                        x=4100/9 ori 5    y=4100/9ori 4     
7 4 7