Răspunsuri

2014-10-20T17:03:52+03:00
X * 0.(3)=y * 0.25=k
x* 3/9=y* 25/100=k
x*1/3=y* 1/4=k
x=3k
y=4k

x*y=3k*4k=12k la puterea a 2-a=108
k la puterea a 2-a=108/12=9
k=3

x=9
y=12