2x2+2y2-2(2x2+xy-3y2+xy)4x2-2y2+xy2-3(-3x2+5y2-2xy2)-4ab+5ac-3bc+5ab-6ac-6cbyx²-y+x²y+x-2(xy²-yx) 5x²−6x³+3x³−2x+3x²+x²−x³−x
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 14:16:19
xUj1~C mbːKh/Ŵ-jJo;CKަBg4^kSk4hff`qw̷YeNZS;Z&FTFfHgƶq^LҒn-ˤEzzˋ"d-'Byˡb"vyy}btHЗSNߡu
-/a",DTqDYP28ޖ$V5λ&GFٲYbG06TPP6設8`,/A,;TV3SP+L-UMX$4 SiA+>uF559
DE2Dz3^l^i$*9?6 k+.7c
$3X/F)A2sMhr!7$2!Z{=iF9:><cHnP6o|y;n3T'#D5Fԉ4ڿDVg||([}ؾ|]'$[X
求证:(x2-xy+y2)3+(x2+xy+y2)3能被2x2+2y2整除
若X2+xy-2y2=0,则(x2+3xy+y2)/x2+y2=?
解方程组:{3X2-2XY-Y2=O.X2+Y2=40} 是{3X2-2XY-Y2=O。X2+Y2=40。}
(x2+2xy+y2)( x2-xy+y2)2 化简
(x2-2xy+y2)-(x2+2xy+y2)=什么
( x2+xy+y2) ( x2+xy+2y2)-12y4
x2-2xy+y2-9
4x2-3y2+2xy-4x2+5x2
(x2+y2)(x2-xy+y2)-2x2y2因式分解
2x2-xy+3y2因式分解
x2 y2+3xy+2 因式分解
x2-3y2=2xy过程
2X2-3XY-Y2分解因式!
4x2+3xy-2y2因式分解
-(x2-2xy-y2)+(5x2-2xy-3y2)-(x2-2xy-y2)+(5x2-2xy-3y2)化简
已知x/y=2/7,则x2-3xy+2y2/2x2-3xy+7y2的值是多少?
2(x2-xy)-3(2x2-3xy)-2[x2-(2x2-xy+y2)] 化简.
x2-(a+b)xy+aby2 x2+4xy-5y2 x2-5x+3 2x2+xy-y2-4x+5y-6