T=293.
do t=t/10; while(t);
如何x(t)=cos(t)+asin(t) y(t)=sin(t)+bcos(t) expressing x(t) in
高一函数题:证明如果f(t)=t/(1+t),g(t)=t/(1-t),证明:f(t) - g(t) = -2g(t&s
求导:g(t)= t²-2t(1+t)ln(1+t)
y=(t+a)/(t-b) t=?
解方程t(t-2)-3t =0
0.5t平方+(6-t)平方=t平方
-(t²-t)+1为什么等于-t²+t-1/4+1+1/4=-(t²-t)+1
T(0) = T(1) = 1
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V(t)= Vo e^[-t/(RC)],
there aren't=there isn;t?