Răspunsuri

2014-09-12T17:24:53+03:00
Stiind ca;
5p.m.+7p.f.=29 kg.
7p.m.
+5p.f.=31kg
12
(1p.m.+1p.f.)=60 kg =»1p.m.+1p.f.=5 kg deci 5p.m.+5p.f.=25 kg de unde =» 2p.f.=4 kg adica 1p.f.=2 kg      si    1p.m.=3kg
Sper ca ti-am fost de ajutor
2 3 2