Ответ:
Объяснение:
r456 = R4+R5+R6 = 5+5+8 = 18 Ом
r3456 = R3*r456 / (R3+r456) = 5*18 / (5+18) ==3.9 Ом
R = R1+R2+r456 = 2+2+3.9 = 7.9 Ом
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Ответ:
Объяснение:
r456 = R4+R5+R6 = 5+5+8 = 18 Ом
r3456 = R3*r456 / (R3+r456) = 5*18 / (5+18) ==3.9 Ом
R = R1+R2+r456 = 2+2+3.9 = 7.9 Ом