式子(U-V)/R=V/S可变形为V=xiexie

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式子(U-V)/R=V/S可变形为V=xiexie式子(U-V)/R=V/S可变形为V=xiexie式子(U-V)/R=V/S可变形为V=xiexieV=US/(R+S)

式子(U-V)/R=V/S可变形为V=xiexie
式子(U-V)/R=V/S可变形为V=
xiexie

式子(U-V)/R=V/S可变形为V=xiexie
V=US/(R+S)