Răspunsuri

2014-03-07T23:39:18+02:00
1)  x+y+z=210
x=3k⇒x=3*15=45
y=5k⇒y=5*15=75
z=6k⇒z=6*15=90
     3k+5k+6k=210⇔14k=210⇔k=15
2) 2=4k⇒k=2/4=1/2
    b=9k⇒b=9/2
da, ms mult, erau usoare dar nu le-am gandit.
npc