已知 f(x)f(x)f(x) 的定义域为 [0,1][0,1][0,1],对于 0≤x1≤x2≤10\le x_1 \le x_2 \le 10≤x1≤x2≤1,恒有 f(x1)≤f(x2)f(x_1)\le f(x_2)f(x1)≤f(x2),且满足 f(x)+f(1−x)=1,f(x5)=12f(x)f(x)+f(1-x)=1,f(\dfrac x 5)=\dfrac 1 2 f(x)f(x)+f(1−x)=1,f(5x)=21f(x),则 f(12024)=f(\dfrac 1 {2024})=f(20241)= ______.