楼主的题目有几个问题
1*a_x1+1.8*a_x2+1.8*a_x3+1.8*a_x4=money1
当money1为100.5时, 有解吗?再者:a_x1 < 30,a_x2 < 30,a_x3 < 30,a_x4 < 30
也有待商榷。觉得取等号比较好。
a_x1 <= 30,a_x2 <= 30,a_x3 <= 30,a_x4 <= 30
1*a_x1+1.8*a_x2+1.8*a_x3+1.8*a_x4=money1
当money1为100.5时, 有解吗?再者:a_x1 < 30,a_x2 < 30,a_x3 < 30,a_x4 < 30
也有待商榷。觉得取等号比较好。
a_x1 <= 30,a_x2 <= 30,a_x3 <= 30,a_x4 <= 30
money為100.5時應該有解吧,
只是我只需取裡面其中的一筆就可以了,