9(x-y)^2-12(x-y)+4=快
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 08:06:51
9(x-y)^2-12(x-y)+4=快
9(x-y)^2-12(x-y)+4=
快
9(x-y)^2-12(x-y)+4=快
[3(x-y)-2]^2=0
x-y=2/3
9(x-y)^2-12(x-y)+4
=[3(x-y)]^2-2×3×2(x-y)+2^2
=[3(x-y)-2]^2
=(3x-3y-2)^2
[3x-3y-2]^2
9(x-y)^2-12(x-y)+4
=[3(x-y)]^2-2×3×2(x-y)+2^2
=[3(x-y)-2]^2
=(3x-3y-2)^2
9(x-y)^2-12(x-y)+4=快
9x^2-y^2+4x-4y快
已知4x2+9y-4x-6y+2=0 求根号y/根号x+根号y - 根号y/根号x-根号y快.
因式分解:4+ 12(x-y)+9(x-y)(x-y)快
大括号x+y/2+x-y/3=6,4(x+y)-5(x-y)=2 快
解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27全过程、快
大括号x+y/2+x-y/3=11/6 4(x+y)-5(x-y)=7 快
x.y都是自然数,且x(x-u)-y(y-x)+12,求x.y得值快1且x(x-y)-y(y-x)=12
已知X.x+y.y-4x+2y+5=0,求4X.X-12X Y+9Y.y的值
已知x×x×y×y+x×x+y×y+1=4xy,求x,y的值快
(x+y)^2-4(x+y)因式分解 快.
[(X平方+ Y平方)-(X-Y)的平方+2Y(X-Y)]÷4y的值,其中2x-y=8快 急用啊
已知x/y=2,求2x(x+y)-y(x+y)/4x²-4xy+y² 快救救我~
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
3(x+y)-2(x-y)=11 4(x+y)+3(x-y)=9
因式分解:4+12(x+y)+9(x-y)^2=?
x-2y=-9 3x-y+z=4 y-z=3 2x+3y-z=12 2z+x=47 x+y+z=6 这是七年级下册数学114页的题目,求解!x-2y=-9 3x-y+z=4 y-z=3 2x+3y-z=12 2z+x=47 x+y+z=6要过程!!好的提高悬赏!!快!!速度!!
二元一次方程组 快{X+Y=3a+9 X-Y=5a+1{3X-Y=4-a2X+3Y=12+a