在十个数中取四个数的和不大于某一个2.4,
来源:百度知道 编辑:UC知道 时间:2024/05/23 16:54:47
0.56 0.75 0.46 0.57 0.60
十个数中任意四个数的和不大于2.4的能有多少个组合,请高手们帮忙算算,谢谢!
先求出各数与0.60的差
0.04,0.18,0.08,0.06,-0.08
-0.04,0.15,-0.14,-0.03,0
0.52,0.56,0.46,0.57
0.52,0.56,0.46,0.60
0.52,0.56,0.57,0.60
0.52,0.46,0.57,0.60
0.56,0.46,0.57,0.60
0.46,0.52,0.56,0.64
0.46,0.52,0.56,0.78
0.46,0.52,0.56,0.68
0.46,0.52,0.56,0.66
0.46,0.52,0.56,0.75
0.52,0.46,0.57,0.64
0.52,0.46,0.57,0.78
0.52,0.46,0.57,0.68
0.52,0.46,0.57,0.66
0.52,0.46,0.57,0.75
0.52,0.56,0.57,0.64
0.52,0.56,0.57,0.68
0.52,0.56,0.57,0.66
0.52,0.56,0.57,0.75
0.46,0.52,0.57,0.64
0.46,0.52,0.57,0.78
0.46,0.52,0.57,0.68
0.46,0.52,0.57,0.66
0.46,0.52,0.57,0.75
0.46,0.56,0.57,0.64
0.46,0.56,0.57,0.78
0.46,0.56,0.57,0.68
0.46,0.56,0.57,0.66
0.46,0.56,0.57,0.75
0.46,0.52,0.60,0.64
0.46,0.52,0.60,0.78
0.46,0.52,0.60,0.68
0.46,0.52,0.60,0.66
0.46,0.52,0.60,0.75
0.46,0.56,0.60,0.64
0.46,0.56,0.60,0.78
0.46,0.56,0.60,0.6