Răspunsuri

2014-04-22T10:51:50+03:00
X-y=15
x/2=y/3
3K-2K=15
x=30
y=3*15=45

e bun : [x:y] d.p [2;3]=> x/2=y/3=>k x=2k y=3k-2k=15=> k=15 x=2x15=30 y=3x15=45-30 = 15
2014-04-22T11:00:58+03:00
x - y = 15
x supra 2 = y supra 3
3K - 2K = 15
x = 30
y = 3 ori 15 = 45