中科新闻网
加勒比海盗4电影国语版:(x-y)^2×(y-x)^3=???
来源:百度文库 编辑:
中科新闻网
时间:2024/07/04 23:07:41
(x-y)^2×(y-x)^3
=(y-x)^2×(y-x)^3
=(y-x)^(2+3)
=(y-x)^5
=(x-y)^4×(y-x)
(x-y)^2×(y-x)^3=???
(x-y)4*(y-x)3=(y-x)7 ()
(x-y)^3*(x-y)^2*(y-x)
3X(X-Y)+2Y(X-Y)
已知X+Y=-4,求1/2(X+Y)+4(X-Y)-3(X-Y)-3/2(X+Y)-X+Y
(x+y)^3÷(x+y)=?
方程组2分之x+y+3分之x-y=6,2(x+y)-3x+3y=24
2(x+y)+3(x-y)=9(1) (x+y)+6(x-y)=9(2)
若 x/3y = y/2x-5y =6x-15y/x
2x+3y=10 x+12y=19 x=? y=?