Ответ:
Объяснение:
Rab = 1 / (1/R12 +1/R345) = 1 / (1/(R1+R2) +1/(R3+(R4*R5)/(R4+R5))) =
= 1 / (1/(20+40) +1/(20+(40*40)/(40+40))) = 24 Ом
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Ответ:
Объяснение:
Rab = 1 / (1/R12 +1/R345) = 1 / (1/(R1+R2) +1/(R3+(R4*R5)/(R4+R5))) =
= 1 / (1/(20+40) +1/(20+(40*40)/(40+40))) = 24 Ом