3(y-3)-5(1+y)=7(y-1)
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3(y-3)-5(1+y)=7(y-1)
3(y-3)-5(1+y)=7(y-1)
3(y-3)-5(1+y)=7(y-1)
3(y-3)-5(1+y)=7(y-1)
3y-9-5-5y=7y-7
9y=-7
y=-7/9
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
3(y-3)-5(1+y)=7(y-1)
(y-4)(3y+2)-(3y-7)(2y+1),其中y=4/3
解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
解方程3y^2-(2y+1)(y-2)=(y-5)(y-1)
解方程:3y²-(2y+1)(y-2)=(y-5)(y+1)
4(5—2y)+7(y+1)=3(4y-1)+17求y
4*(5—2y)+7(y+1)=3(4y-1)+17求y
4(2y+5)-3y=7(y-5)+4(2y+1)
[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),'.')
y-(y-1)/2=1-(2y-3)/5
y''-5y'+6y=3x+1通解
y-y-1/2=3-y+2/5
y-1/y-2 - y-3/y-4=y-2/y-3 - y-4/y-5一共有四个分数哦~希望可以快一点~谢谢!
已知(3x+1)(3x-3)-3x+2)^2=-7,(y+7)(y-7)-y(y-7)=0,求8y^2-5y(-y+3x)+4y(-4y-5/2x)的值