10y+2(7y-2)=5(4y+3)+3y怎么算
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10y+2(7y-2)=5(4y+3)+3y怎么算10y+2(7y-2)=5(4y+3)+3y怎么算10y+2(7y-2)=5(4y+3)+3y怎么算10y+2(7y-2)=5(4y+3)+3y10y
10y+2(7y-2)=5(4y+3)+3y怎么算
10y+2(7y-2)=5(4y+3)+3y怎么算
10y+2(7y-2)=5(4y+3)+3y怎么算
10y+2(7y-2)=5(4y+3)+3y
10y+14y-4=20y+15+3y
10y+14y-20y-3y=15+4
y=19
24y-4=23y+15
y=19
10y+14y-4=20y+15+3y
10y+14y-20y-3y=15+4
解得 y=19
10y+14y-4=20y+15+3y
10y+14y-20y-3y=4+15
y=19
最后验证:等式两边都等于452
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
3-5-2y/5=y-4-7y/10+y+2/2
10y-2(7y-2)=5(4y+5)-3y
10y+2(7y-2)=5(4y+3)+3y怎么算
[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),'.')
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