Răspunsuri

2014-04-17T11:58:58+03:00
D- drum
1)d-35d/100=A - rest
2)A-20A/100=B - rest
3) B=104


A-20A/100=104
A-A/5=104. Amplif cu 5
5A-A=520
4A=520
A=130

d-35d/100=130   Amplificam cu 100
100d-35d=13000
65d=13000
d=200