t-1/3t-1/4t-1/5t=13怎样解
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t-1/3t-1/4t-1/5t=13怎样解t-1/3t-1/4t-1/5t=13怎样解t-1/3t-1/4t-1/5t=13怎样解t-1/3t-1/4t-1/5t=132/3t-(5+4)/20t=
t-1/3t-1/4t-1/5t=13怎样解
t-1/3t-1/4t-1/5t=13怎样解
t-1/3t-1/4t-1/5t=13怎样解
t-1/3t-1/4t-1/5t=13
2/3t-(5+4)/20t=13
40t-27t=13*60
13t=13*60
t=60
4t^-8t+5-3t^+6t-2 其中t=2/1
(t^5+t^4+t^3+t^2+t+1)(t-1) 用直式计算
t-1/3t-1/4t-1/5t=13怎样解
[T,Y]=ode45(@rigid,[0 1],[rand(15,1)]);plot(T,Y(:,1),'-',T,Y(:,2),'-.',T,Y(:,3),'.',T,Y(:,4),'-',T,Y(:,5),'-.',T,Y(:,6),'.',T,Y(:,7),'-',T,Y(:,8),'-.',T,Y(:,9),'.',T,Y(:,10),'-',T,Y(:,11),'-.',T,Y(:,12),'-.',T,Y(:,13),'.',T,Y(:,14),'-',T,Y(:,15),'.')
(2t+3)(2t-)-(4t+1)(t-9)
5t-3≤4t-1 7+2t>6+3t 3+t
5t-3≤4t-1 7+2t>6+3t 3+t
13-20t+4t*t*t-20t*t*t*t=0,求t?
画出下列信号的波形1)f(t)=tu(t); 2)f(t)=t[u(t)-u(t-2)]; 3)f(t)=(t-1)u(t-1); 4)f(t)=sint/t画出图形~
已知f(t)=3t*t-2t-2/t+3/t*t,证明f(t)=f(1/t)
已知t >0,则函数y =(t*t-4t+1)/t的最小值
先化简,在求值(t+3t方-3)-(-t+4r方),其中t=-1
4t^3-3t^2-2t+1=0 t等于多少
求解方程2t(t+1)-3t=5t-2
2t(t+1)=5(t-2)+3t方式法解步骤!
5t(2t-3)=(t+2)(t-2)-1 公式法
求解数学题∫(3t+1)/(t*t-t+1)
化简t+1/t-(t+2)²-1/t²×t+1/t+3