1/3(3y-10-7y/2)-1/2(2y-2y+2/3)=y/2-1 求y=( )/是分数线
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y (3y^2+8y-3)-6y(3y+2y-1)+9y
1/3(3y-10-7y/2)-1/2(2y-2y+2/3)=y/2-1 求y=( )/是分数线
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
(y-4)(3y+2)-(3y-7)(2y+1),其中y=4/3
(y+1)分之(2y+3)=(3y+4)分之(6y+7)
[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),'.')
通分 y+3/y*y-6y+9,1/2y+6,y-1/y*y-9
已知7/3*根号(9y)-y-2y*1/y=-2,求y的值
3y(y-1)等于2(y-1)
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
1/3×(3y-10-7y/2)-1/2×(2y-2y+2/3)=y/2-1 各位同志速度回话
3分之1(3y-2分之10-7y)-2分之1(2y-3分之2y+2)=2分之y -1
1/3(3y-(10-7y)/2)-1/2(2y-(2y+2/3)=y/2-1 内含分数
2(2y-1)-3(3y-5)=12,10y+5(y-1)=3(7-y)
3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简
(2y+1)(3y-1)+(2-y)(6y-1)