57. 如下圖所示電路,下列何式正確?
(A)(0.2+0.5)V1+0.5V2=-1
(B) (0.2+0.5)V1+0.25V2=1
(C)-0.5V1+(0.5+0.25)V2+=-2
(D)0.5V1+(0.2+0.25)V2=2 。
(A)(0.2+0.5)V1+0.5V2=-1
(B) (0.2+0.5)V1+0.25V2=1
(C)-0.5V1+(0.5+0.25)V2+=-2
(D)0.5V1+(0.2+0.25)V2=2 。
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統計: A(0), B(2), C(28), D(2), E(0) #1109430
統計: A(0), B(2), C(28), D(2), E(0) #1109430