• 2022-06-09
    减法运算电路如图所示,其输出电压的表达式为( )。[img=215x113]1803e0555f06238.jpg[/img]
    A: [img=160x46]1803e05568ee6ed.jpg[/img]
    B: [img=150x39]1803e05572e992a.jpg[/img]
    C: [img=203x41]1803e0557d1641a.jpg[/img]
    D: [img=132x40]1803e055873d645.jpg[/img]