(1-y)/2-(3-3y)/4=1
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(y-4)(3y+2)-(3y-7)(2y+1),其中y=4/3
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
解分式方程(y+3)/(y^2+y)-1/(1-y)=4/y要过程
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
4y的平方-3y-1=y-2
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!
常微分方程的通解dy/dx=(x-y+1)/(x+y-3)y^4=2y^n+y=0y''+6y'+9y=e^(-3x)y''+y'-2y=4e^(2x)
y (3y^2+8y-3)-6y(3y+2y-1)+9y
4y(y-1)=3 3y^2+2√6y=-2
解3y+5/3y-6=1/2+5y-4/2y-4
4Y^3+3Y^2+4Y+1=0求Y
4(5—2y)+7(y+1)=3(4y-1)+17求y
4*(5—2y)+7(y+1)=3(4y-1)+17求y
急,看不懂问我(y+3)^2/8-y=(y+3)/4-(y-1)/2
{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
4(2y+5)-3y=7(y-5)+4(2y+1)