Mạch R1nt{(R5ntR6)//[R2nt(R3//R4)]}
R34= $\frac{R3.R4}{R3+R4}$ = $\frac{24}{7}$
R234=R2+R34= $\frac{52}{7}$
R56=R5+R6=22
R23456= $\frac{R234.R56}{R234+R56}$ =$\frac{572}{103}$
Rtđ=R1+R23456=$\frac{778}{103}$
I=$\frac{U}{Rtđ}$=$\frac{1545}{389}$
I1=I23456=I
U1=I1R1=$\frac{3090}{389}$
U23456=R23456.I23456=$\frac{8580}{389}$
U56=U234=U23456=$\frac{8580}{389}$
I56=$\frac{U56}{R56}$=$\frac{390}{389}$
I5=I6=I56=$\frac{390}{389}$
U5=I5.R5=$\frac{3900}{389}$
U6=I6.R6=$\frac{4680}{389}$
I2=I34=I234=$\frac{U234}{R234}$=$\frac{1155}{389}$
U2=I2.R2=$\frac{4620}{389}$
U3=U4=U34=I34.R34=$\frac{3960}{389}$
I3=$\frac{U3}{R3}$=$\frac{660}{389}$
I4=$\frac{U4}{R4}$=$\frac{495}{389}$