I3X+2y-4I+I3y-2x+5I=o,求x+y的值
已知I3x+2y+3I+(5y+2x-9)^2=0,求x^2+y^2的值.
已知3(5x+2)+5小于4x-6(x+1),化简I3x+1I-I1-3xI
(3x+2y)+(5x-y)i=17-2i.求x与y
求适合下列条件的实数x和y的值:1、(3x+2y)+(5x-y)i=17-2i;2、(3x-4y)+(2y+3)i=0
求适合下列方程的实数x和y的值 1.(3x+2y)+(5x-y)i=17-2i 2.(x+y-3)+(x-4)i=
已知I 3x+2y-4 I + 4(5x+7y-3)²=0,求x,y的值.
复数 设x,y属于R,且[x /(1-i) ] +[y /(1-2i)]=5/(1-3i) ,求x+y的值
已知x,y,z满足方程组:4x-5y+2z=o;x+4y-3x=0,求x:y:z的值
已知x,y满足2x-7y=3m,x+2y=4m+5,且x+y=o,求m的值
求方程实数x与y的值.(3x+2y)+(5x–y)i=17-2i
已知,I x I+I 3y-8 I+I z-2 I = 0,求代数式x+3y+z的值?
已知x是实数,y是纯虚数,且满足(2x-1)+i=y-(3-y)i,求x与y的值.