Ответ:

Объяснение:

r2346 = R*3*R / (R+3*R) = R*3/4 = 80*3/4 = 60 Ом

Rob = R1+R5 + r2346 = 80+80+60 = 220 Ом

I=I1=I5=U/Rob = 44 / 220 = 0.2 A

U1=U5=I*R1 = 0.2*80 = 16 B

U3=U-(U1+U5) = 44-(16+16) = 12 B

U3=U2+U4+U6

U2=U4=U6

U6=U3/3 = 12/3 = 4 B