Update library/math.po

Co-authored-by: Payon <ken71301@hotmail.com>

Author: Carisa-Li

library/math.po

@@ -99,7 +99,7 @@ msgid ""
 "*y*.  On platforms that support signed zeros, ``copysign(1.0, -0.0)`` "
 "returns *-1.0*."
 msgstr ""
-"回傳與  *x* 相同長度（絕對值）且與 *y* 同號的浮點數。在支援帶符號零的平臺上，"
+"回傳與 *x* 相同長度（絕對值）且與 *y* 同號的浮點數。在支援帶符號零的平臺上，"
 "``copysign(1.0, -0.0)`` 回傳 *-1.0*。"
 
 #: ../../library/math.rst:66