設x,y為實數,且x1−i+y1−2i=51−3i,則x+y=______.

設x,y為實數,且x1−i+y1−2i=51−3i,則x+y=______.

x1−i+y1−2i=x(1+i)2+y(1+2i)5=(x2+y5)+(x2+2y5)i,而51−3i=5(1+3i)10=12+32i所以x2+y5=12且x2+2y5=32,解得x=-1,y=5,所以x+y=4.故答案為:4