A、F<sub>1sub>=F<sub>2sub> B、F<sub>1sub>-F<sub>2sub>=F<sub>esub> C、F<sub>1sub>/F<sub>2sub>=e<sup>fαsup> D、F<sub>1sub>+F<sub>2sub>=F<sub>0sub>
A、e<sub>1sub>c<sub>1sub>F<sub>1sub>=e<sub>2sub>c<sub>2sub>F<sub>2sub> B、c<sub>1sub>F<sub>1sub>=c<sub>2sub>F<sub>2sub> C、c<sub>1sub>/c<sub>2sub>=F<sub>2sub>/F<sub>1sub> D、c<sub>1sub>/c<sub>2sub>=F<sub>1sub>/F<sub>2sub>
A、必有F<sub>Rsub>=F<sub>1sub>+F<sub>2sub> B、不可能有F<sub>Rsub>=F<sub>1sub>+F<sub>2sub> C、必有F<sub>Rsub>>F<sub>1sub>,F<sub>Rsub>>F<sub>2sub> D、可能有F<sub>Rsub><F<sub>1sub>,F<sub>Rsub><F<sub>2sub>
A、F<sub>1sub>=6N,F<sub>2sub>=0 B、F<sub>1sub>=0,F<sub>2sub>=6N C、F<sub>1sub>=F<sub>2sub>=8N D、F<sub>1sub>=6N,F<sub>2sub>=8N
A、F<sub>0.05,10,20sub> = 1/F<sub>0.95,10,20sub> B、F<sub>0.05,10,20sub> = 1/F<sub>0.05,20,10sub> C、F<sub>0.95,10,20sub> = 1/F<sub>0.95,20,10sub> D、F<sub>0.95,10,20sub> = 1/F<sub>0.05,20,10sub>
A、F<sub>isub>V<sub>isub>=F<sub>isub>+1V<sub>isub>+1 B、F<sub>isub>V<sub>isub><f<sub>i+1V<sub>isub>+1 C、F<sub>isub>V<sub>isub>>F<sub>isub>+1V<sub>isub>+1f<sub>