已知实数a,b分别满足a 2 ﹣6a 4=0,b 2 ﹣6b 4=0,则 的值是________. 已知实数a,b分别满足a 2 ﹣6a 4=0,b 2 ﹣6b 4=0,则 的值是________. 发布时间:2025-07-09 10:54:12