Răspunsuri

2014-04-07T17:44:52+03:00
2b+5p=35.9 /*3
3b+2p=34.4 /*-2

6b+15p=107.7
-6b-4b=-68.8
----------------------
11b=38.9
b=3.53

3.53*2+5p=35.9
7.06+5p=35.9
5p=28.84
p=5.76