3(20-y)=6y-4(y-11)
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解方程:4y-3(20-y)=6y-7(11-y)解方程:4y-3(20-y)=6y-7(11-y)解方程:4y-3(20-y)=6y-7(11-y)4y-60+3y=6y-77+7y6y=17y=1
4y-3(20-y)=6y-7(11-y)4y-3(20-y)=6y-7(11-y)4y-3(20-y)=6y-7(11-y)4y-3(20-y)=6y-7(11-y)4y-60+3y=6y-77+7
解方程4y-3(20-y)=6y-7(11-y)求过程解方程4y-3(20-y)=6y-7(11-y)求过程解方程4y-3(20-y)=6y-7(11-y)求过程4y-3(20-y)=6y-7(11-
4y-3(20-y)=6y-7(11-y)解方程4y-3(20-y)=6y-7(11-y)解方程4y-3(20-y)=6y-7(11-y)解方程4y-3(20-y)=6y-7(11-y)4y-60+3
(y^2)^4y-(-2y)^3y^6=(y^2)^4y-(-2y)^3y^6=(y^2)^4y-(-2y)^3y^6=(y^2)^4y-(-2y)^3y^6=y^8*y+8y^3y^6=y^9+8y
3(20-y)=6y-4(Y-11)这个方程得多少啊?3(20-y)=6y-4(Y-11)这个方程得多少啊?3(20-y)=6y-4(Y-11)这个方程得多少啊?3(20-y)=6y-4(Y-11)6
3(20-y)=6y-4(y-11)解方程3(20-y)=6y-4(y-11)解方程3(20-y)=6y-4(y-11)解方程3(20-y)=6y-4(y-11)60-3y=6y-4y+4460-3y
x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20由(1)得3x
{(x+y)/2+(x-y)/3=64(x+y)-3(x-y)=-20{(x+y)/2+(x-y)/3=64(x+y)-3(x-y)=-20{(x+y)/2+(x-y)/3=64(x+y)-3(x-y
4(x+y)-3(x-y)=-20,2/x+y+3/x-y=64(x+y)-3(x-y)=-20,2/x+y+3/x-y=64(x+y)-3(x-y)=-20,2/x+y+3/x-y=6第二个方程是不
4y-3(20-y)=6y-7(9-y)解方程4y-3(20-y)=6y-7(9-y)解方程4y-3(20-y)=6y-7(9-y)解方程4y-3(20-y)=6y-7(9-y)4y-60+3y=6y
4y-3(20-y)=6y-7(9-y)咋解?4y-3(20-y)=6y-7(9-y)咋解?4y-3(20-y)=6y-7(9-y)咋解?4y-3(20-y)=6y-7(9-y)去括号4y-60+3y
4y-3(20-y)=6y-7(9+y)解方程4y-3(20-y)=6y-7(9+y)解方程4y-3(20-y)=6y-7(9+y)解方程4y-3(20-y)=6y-7(9+y)4y-60+3y=6y
4y-3(20-y)=6y-7(9-y)4y-3(20-y)=6y-7(9-y)4y-3(20-y)=6y-7(9-y)这个,4y-3(20-y)=6y-7(9-y)把他们全部乘出来4y-60+3y=
解方程:4y-3(20-y)=6y-7(9-y)解方程:4y-3(20-y)=6y-7(9-y)解方程:4y-3(20-y)=6y-7(9-y)4y-3(20-y)=6y-7(9-y)4y-60+3y
4y-3(20-y)=6y-7(9-y)4y-3(20-y)=6y-7(9-y) 4y-3(20-y)=6y-7(9-y)4y-60+3y=6y-63+7y6y=3y=1/2外等于0.5
因式分解、速~(y+3)*(y+5)*(y-4)*(y-6)+80=?因式分解、速~(y+3)*(y+5)*(y-4)*(y-6)+80=?因式分解、速~(y+3)*(y+5)*(y-4)*(y-6)
(y+1)分之(2y+3)=(3y+4)分之(6y+7)(y+1)分之(2y+3)=(3y+4)分之(6y+7)(y+1)分之(2y+3)=(3y+4)分之(6y+7)(2y+2+1)/(y+1)=(
(x+y)/2-x-y/2=63(x+y)=4(x-y)(x+y)/2-x-y/2=63(x+y)=4(x-y)(x+y)/2-x-y/2=63(x+y)=4(x-y)(x+y)/2-(x-y)/2=
[T,Y]=ode45(@rigid,[01],[rand(15,1)]);plot(T,Y(:,1),''-'',T,Y(:,2),''-.'',T,Y(:,3),''.'',T,Y(:,4),''-'',T,Y(