由分式的值为零的条件得1+x2≠0且|2x-5|=0，
解得x=52．
故答案为：52．
—What _____ sweet music! Do you know who wrote it?
—Beethoven, I think.[ ]
A. /
B. a
C. an
D. the
《金匮要略》中将水气病分为风水、皮水、______、______、______。
