Odpowiedzi

2010-02-16T19:13:34+01:00
1/R=1/R1+1/R2+1/R3+1/R4
1/R=(R2R3R4+R1R3R4+R1R2R4+R1R2R3)/(R1R2R3R4)
R=(R1R2R3R4)/(R2R3R4+R1R3R4+R1R2R4+R1R2R3)