(3y-1)/4=(5y-7)/6
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(3y-1)/4=(5y-7)/6(3y-1)/4=(5y-7)/6(3y-1)/4=(5y-7)/63(3y-1)=2(5y-7)9y-3=10y-14y=11
(3y-1)/4=(5y-7)/6
(3y-1)/4=(5y-7)/6
(3y-1)/4=(5y-7)/6
3(3y-1)=2(5y-7)
9y-3=10y-14
y=11
[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),'.')
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
3y-1/4-1=5y-7/6
4/3y-1 -1=6/5y-7
4/3y-1 -1=6/5y-7
(3y-1)/4-1=(5y-7)/6
(3y-1)/4=(5y-7)/6
3y-1/4=5y-7/6
解3y+5/3y-6=1/2+5y-4/2y-4
4(2y+5)-3y=7(y-5)+4(2y+1)
4(5—2y)+7(y+1)=3(4y-1)+17求y
4*(5—2y)+7(y+1)=3(4y-1)+17求y
(y+1)分之(2y+3)=(3y+4)分之(6y+7)
(3y-1)(2y-3)+(6y-5)(y-4)=?xie
(3y-1)(2y-3)+(6y+5)(y-4)=?
(3y-1)/4-1=(5y-7)/6 9y-3-3=10y-14 9y-10y=-14+3+3 -y=-8 y=8
初二上学期方程题 4x+y=5 5x+4y=63x-2y=1 2x+3y=13x-2y=7 7x+5y=32x+3y=17 2x-y=-4x+5y=6 2x+y=23x-6y=4 3x+2y=52x+y=73x-4y=53x+y=1x-2y=-1x+y=42x+3y=92x-3y=74x+5y=3x+y=20004x+6y=90003x+5y=113x-2y=42x+3y=215x-2y=5x+y=54x+3y=182x+3y=16x+4y=132x+3y=40x
(y-4)(3y+2)-(3y-7)(2y+1),其中y=4/3