(5y+1)+ (1-y)= (9y+1)+ (1-3y);
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(5y+1)+(1-y)=(9y+1)+(1-3y);(5y+1)+(1-y)=(9y+1)+(1-3y);(5y+1)+(1-y)=(9y+1)+(1-3y);5y+1+1-y=9y+1+1-3y4
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
5y+1+1-y=9y+1+1-3y
4y+3y-9y+2-2=0
-2y=o
y=0
题目是求什么啊
0,我算出来时0，不知道对不对，你自己再算算。
希望对你有帮助
5y+1+1-y=9y+1+1-3y
4y+2=6y+2,
4y-6y=0,
y=0
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
(y-2)(y^2-6y-9)-y(y^2-2y-15),其中y=1/2.先化简再求值.
y (3y^2+8y-3)-6y(3y+2y-1)+9y
-y - y/1-y +1
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
[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),'.')
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)
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
方程y''=(1+y'*y')/2y的通解
1/2y+1=4y-2/5-y
3(y-3)-5(1+y)=7(y-1)
y-(y-1)/2=1-(2y-3)/5
y- 2y+1/2=9- 8-y/4