Odpowiedzi

2010-02-03T22:46:14+01:00
8t+4t:10t-5t=5-3:7+7
12t:5t=2:14
2.4t=1/7
2010-02-03T22:46:55+01:00
8t+5/10t-7=4t-3/5t+7
8t+5/10t-4t+3/5t=7+7
8t+5/10t-4t+6/10t=14
4t+11/10t=14
5 i 1/10t=14 /:51/10
t=24/51