主题：[求助]一道数学题目

1、建一表："A",ColType=0,"B",ColType=3,

2、公式：ClearGrid(Grid) And AddRows(Grid,199) And EvalFor(Grid,1,"Concat(0.2,Choose(int(rand(4))+1,""+"",""-"",""*"",""/""),0.2,Choose(int(rand(4))+1,""+"",""-"",""*"",""/""),0.2,Choose(int(rand(4))+1,""+"",""-"",""*"",""/""),0.2)") And DelReptRows(Grid,1) And EvalFor(Grid,2,"Eval([A]) = 1") And DelFor(Grid,2, "=" ,0)