R3会给短路,所以就看成R1+R2与R4+R5并联
就是1/R总=1/(R1+R2)+1/(R4+R5)
R总=1/(R1+R2)+1/(R4+R5)的倒数 (这个不好表示,怕你搞混了)
R总=(R1+R2)*(R3+R4)/(R1+R2+R4+R5)
R3会给短路,所以就看成R1+R2与R4+R5并联
就是1/R总=1/(R1+R2)+1/(R4+R5)
R总=1/(R1+R2)+1/(R4+R5)的倒数 (这个不好表示,怕你搞混了)
R总=(R1+R2)*(R3+R4)/(R1+R2+R4+R5)