using three basic operations + , - and X without using a number twice?
how do you get 385 using the numbers 7,4,2,10,6, and 8
and 397 using 8,100,50,6,8 and 5 same rules
and 148 using 50,7,7,1,4 and 3
and 839 using 1,75,3,4,5 and 7
and 882 using 5,4,100,9,1 and 8
and 524 using 10,3,100,3,2 and 5