3、已知(x+y)+(x-2y)i=(2x-5)+(3x+y)i,求实数x,y的值. 急,速度好评

已知(x/1-i)+(y/1-2i)=5/1-3i求x+y 已知Ix+y+1I+(x-y+3)^2=0,则(x+y)^2004等于 已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y) 已知：（X-1）+（Y+2）i=2+3i ,其中X,Y∈R,求X,Y 已知2x-1+(y+1)i=x-y+(-x-y)i,求实数x,y的值 3、已知(x+y)+(x-2y)i=(2x-5)+(3x+y)i,求实数x,y的值. 急,速度好评 已知x-y=3,求[（x+y)(x-y)-(x-y)^2+2y(x-y)]除以的值 已知3x =2y 求x/x+y+y/x-y-y²/x²-y² 已知|x|=2,|y|=3,|x+y|=-(x+y)求x-y 已知x,y属于实数,若xi+2-3i=y-i,则x-y=? 已知2y-x=-3,求[4y(2x-y)-2x(2x-y)]/(2x-y 已知x,y为实数,i为虚数单位.若x/(1-i)+y/(1-2i)=5/(1-3i),则x+y的值为? (3x+2y)+(5x-y)i=17-2i.求x与y (2x+y)+(x-2y)i=3-i 求实数x,y天才帮帮忙 已知x为实数,y是纯虚数,且满足(2x-1)+(3-y)i=y-i,则x=____,y=____ 已知实数x 纯虚数y 满足(2x-1)+(3-y) i=y-i 求x y的值 已知(2x-1)+i=y-(3-y)i,其中x是纯虚数,y是实数,求x,y值RT 已知实数x,纯虚数y满足（2x-1)+(3-y) i=y-i.求x,y的值