电位计算VA=_____________,VB=_____________,UAB=_____________。
take ones order=_____________
five apples+three apples=_____________
take one's order=_____________
—_____________ _____________ ________________and__________?
计算:1-2+3-4+……+2011-2012=_____________
Please write to me soon =___________=_____________
(-5)+(+8)+(+2)-(-3)=_____________ (写成省略号形式)
_____________,蜡炬成灰泪始干.
杨修说:“_____________.”
墙下条形基础设计计算内容主要包括_____________、_____________和_____________.
若Va=2V,Vb=4V,则Uab=__V,Uba=__V.
某电路中 Uab=-10V,若Vb=1V,则Va=_______V?