设f(x)在区间(-∞,+∞)上连续且满足 f(x)=f(x-t)sintdt+x 发布时间:2022-02-06 00:18 │ 来源:www.tikuol.com 题型:填空题 问题: 设f(x)在区间(-∞,+∞)上连续且满足 f(x)=f(x-t)sintdt+x,则f(x)=______.