[3×(-5)]/5y=5
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[3×(-5)]/5y=5[3×(-5)]/5y=5[3×(-5)]/5y=5y=-3/5
[3×(-5)]/5y=5
[3×(-5)]/5y=5
[3×(-5)]/5y=5
y=-3/5
(2y+5/3y)²-5y×(5/3y+y)=4 求y的值.(2y+5/3y)的平方-5y×(5/3y+y)=4
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
因式分解、速~(y+3)*(y+5)*(y-4)*(y-6)+80=?
方程5y(2y-3)=(y+2)(y-2)-1
(5)若x/2=y/3(y不为0)则x/y=____,x+y/y=___,y/x-y=___.
微分方程y''-3y'+2y=5,y(0)=1,y'(0)=2求解过程
(96/y²16)+(3y-1/4-y)=(2y-1/y+4)-5
(x+y-5)*(x+y-5)+(x-y+3)=0 x*x-y*y
2y+5/3y-6-y/2=5y-4/2y-4
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
解方程3y^2-(2y+1)(y-2)=(y-5)(y-1)
解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
解方程:3y²-(2y+1)(y-2)=(y-5)(y+1)
已知:3x-5y=0,求x/y,x-y/y,x-y/x
5(x-y)³-3(x-y)²+7(x-y)-5(x-y)³+(x-y)²-5(x-y),其中,x-y=1/3.5(x-y)³-3(x-y)²+7(x-y)-5(x-y)³+(x-y)²-5(x-y),其中,x-y=1/3先化简,再求值;
3(y-3)-5(1+y)=7(y-1)