75%x+(3000-x)55%=3000X65%
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75%x+(3000-x)55%=3000X65%75%x+(3000-x)55%=3000X65%75%x+(3000-x)55%=3000X65%20%x=3000X10%=300x=1500
75%x+(3000-x)55%=3000X65%
75%x+(3000-x)55%=3000X65%
75%x+(3000-x)55%=3000X65%
20%x=3000X10%=300
x=1500
75%x+(3000-x)55%=3000X65%
(X+X)+(X-X)+(X*X)+(X/X)=100
3000/x-3000/75%x
x-(20%x+55%x)=120 X是什么
解55/x=(x-2)+(x-1)/x
x*x=75%x*(x+3)怎么解?
(x+75)x=2500
2.2X=75+X,
x*x*x*x*x=80000?
x(x-1)=300
x-x×0.25=300
45x=38(x+1)x/36-x/45=480x+300=(80*1.25)x(68-2x)/(16-2x)=55x+110=1300+x
45x=38(x+1)x/36-x/45=480x+300=(80*1.25)x(68-2x)/(16-2x)=55x+110=1300+x
55=30%x=x 求X?55+30%x=x 求X?
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x
解方程 x+20%x= x-45%x= 75%x+43%x=
如何解 X*X+1.5X*1.5X+2X*2X=300
已知x=300,x/x-3-x+6/x^2-3x+1/x=?写分数