Răspunsuri

2014-04-15T15:15:19+03:00
5c+6p=28
3c+6p=24/* -1

5c+6p=28
-3c-6p=-24
------------------------
2c /=4
c=4:2
c=2

10+6p=28
6p=28-10
6p=18
p=18:6
p=3
1 5 1
2014-04-15T15:16:10+03:00
5c+6p=28
3c+6p=24  inmultim ecuatia cu -1

5c+6p=28
-3c-6p=-24
  prin adunarea celor 2 ecuatii obtinem
2c/=4   c=2  5*2+6p=28   6p=18  p=3
1 5 1