发表于:2007/1/5 17:10:00
#30楼
S=VT所以S1=V1T1 ,S12=V1T2, S2=V2T1, S22=V2T2
因为V1/V2=V1/V2,1*V1/V2=1*V1/V2,所以,(T1/T1)*(V1/V2)=(T2/T2)*(V1/V2)
所以,(T1*V1)/(T1*V2)=(T2*V1)/(T2*V2)所以,S1/S2=S12/S22
因为V1/V2=V1/V2,1*V1/V2=1*V1/V2,所以,(T1/T1)*(V1/V2)=(T2/T2)*(V1/V2)
所以,(T1*V1)/(T1*V2)=(T2*V1)/(T2*V2)所以,S1/S2=S12/S22