-2(Y-3)=-3(6-2y)
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-2(Y-3)=-3(6-2y)-2(Y-3)=-3(6-2y)-2(Y-3)=-3(6-2y)-2(y-3)+3(6-2y)=0-2(y-3)+6(3-y)=02(3-y)+6(3-y)=03-y=
-2(Y-3)=-3(6-2y)
-2(Y-3)=-3(6-2y)
-2(Y-3)=-3(6-2y)
-2(y-3)+3(6-2y)=0
-2(y-3)+6(3-y)=0
2(3-y)+6(3-y)=0
3-y=0
y=3
Y=3
-2y+6=-18+6y
8y=24
y=3
-2(y-3)=-3(6-2y)
-2y+6=-18+6y
-2y-6y=-18-6
-8y=-24
y=3
(y^2)^4y-(-2y)^3y^6=
解方程:(y-3y+2)(y+3y-2)=y(y+3)(y-3)
y (3y^2+8y-3)-6y(3y+2y-1)+9y
(y+1)分之(2y+3)=(3y+4)分之(6y+7)
(x+y)/2- x-y/2=6 3(x+y)=4(x-y)
2y+5/3y-6-y/2=5y-4/2y-4
-2y(y-3)=-3(6-2)y
-2y(y-3)=-3(6-2)y
-2y(y-3)=-3(6-2)y
3Y-2=Y+1+6Y
3y+2=y-1+6y 不要分数
通分 y+3/y*y-6y+9,1/2y+6,y-1/y*y-9
【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2=
3x+y=2 -y/x+y=123x+y=2 (-y/x)+y=12
数学题=y(y+3)-4(y+3)2=(y+3)(y-4y-12)
解(y-3分之2y+y+3分之y)×y分之y²-9
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