Introduction - If you have any usage issues, please Google them yourself
Prepared by VC, type Windows Application dialog box, enter any four integer (0-10), only addition and subtraction multiplication and division operators, as well as brackets. Each number only once and must be used. Can determine whether the results of the expression 24. If so, the output calculation of the expression: if the input 4,6,1,1 output 4* 6* 1* 1 = 24 (to allow the brackets).