R24 =
R2*R4/(R2+R4)= 2 Ом
R56 = R5+R6= 10 Ом
R356 = R3*R56/(R3+R56)= 2 Ом
R24356 = R24+R356 = 4 Ом
R = R123456 = R0+R1+R24356 = 1+5+4=10 Ом
I = U/R =200/10 = 20 A
I1 = I = 20 A
U1= I1*R1=20*5=100 В
Uab = I1*R23456=20*4=80 B
I24=I356=II1 = I = 20 A
U2 = U4 = I24*R24=20*2 = 40 В
I2 = U2/R2 = 40/2,5=16 А
I4=U4/R4=40/10 = 4A
U3=U56=I356*R356=I*R356=20*2=40 В
I3 = U3/R3=40/2,5=16 A
I5=I6=I56 = U56/R56 = 40/10 = 4 A
U5 = I5*R5 = 4*8=32 В
U6 = I6*R6 = 4*2=8 В