拋物線x+y^2-9=0與直線x-y-3=0所圍成的區域面積

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拋物線x+y^2-9=0與直線x-y-3=0所圍成的區域面積
3(x+y)-2(x-y)=11 4(x+y)+3(x-y)=9

3(x+y)-2(x-y)=114(x+y)+3(x-y)=93(x+y)-2(x-y)=114(x+y)+3(x-y)=93(x+y)-2(x-y)=114(x+y)+3(x-y)=93(x+y)-

4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11

4(x-y)-3(x-y)=95(x-y)+2(x-y)=114(x-y)-3(x-y)=95(x-y)+2(x-y)=114(x-y)-3(x-y)=95(x-y)+2(x-y)=11打错了吧,这样

若/X+Y-9/+(2X-Y+3)=0求X与Y的值

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已知:3x-5y=0,求x/y,x-y/y,x-y/x

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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)

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)常微分方程的通解dy/dx=(x-y+1)/(x

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7y(x-3y)-2(3y-x)=0 .x=?,y=?

7y(x-3y)-2(3y-x)=0.x=?,y=?7y(x-3y)-2(3y-x)=0.x=?,y=?7y(x-3y)-2(3y-x)=0.x=?,y=?7y(x-3y)-2(3y-x)=07y(x

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(x-y)(x-2y)+(x+2y)(x-3y)-2(x-3y)(x-4y)=(x-y)(x-2y)+(x+2y)(x-3y)-2(x-3y)(x-4y)=(x-y)(x-2y)+(x+2y)(x-3

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(x+y)(2x-3y)=?

(x+y)(2x-3y)=?(x+y)(2x-3y)=?(x+y)(2x-3y)=?(x+y)(2x-3y)=2x-3xy+2xy-3y=2x-xy-3y