Răspunsuri

2014-05-21T15:22:11+03:00
4/x=y/3 => ( prin inmultire pe diagonala) xy=4*3=>xy= 12 
=> 84-5xy= 84-5*12=84-60=24

x/12=5/y =>( tot prin inmultire pe diagonala) xy=12*5=>xy=60
=> 112-xy=112-60= 52
14 4 14