Odpowiedzi

2010-03-06T17:01:58+01:00
9w-29i2/7=0
9w=205/7 obustronnie *1/9
w=3i16/63
2010-03-06T17:09:37+01:00
W-2/7+9w+7-2w/2-36=0 *2
2w-4/7+18w+14-2w-72=0
18w=72-14+ 4/7
18w=58 4/7
w=410/7 /18=410/126=205/63=3 16/63
pozdrawiam :)