R67=2+12=14, R567=14/2=7, R5678=7+23=30 Ом
R34=8+369= 377, R234=44*377/(44+377)= 39.4 Ом
R1234=8+39.4=47.4 Ом
Rобщ= 47.4*39.4/(47.4+39.4)= 21.5 Ом -ответ
R67=2+12=14, R567=14/2=7, R5678=7+23=30 Ом
R34=8+369= 377, R234=44*377/(44+377)= 39.4 Ом
R1234=8+39.4=47.4 Ом
Rобщ= 47.4*39.4/(47.4+39.4)= 21.5 Ом -ответ