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edit4.Text := edit1.Text * (adoquery1.fieldbyname('danjia').AsFloat) *
(1 +(adoquery1.fieldbyname('zhekou').AsFloat))
adoquery1.fieldbyname('danjia').AsFloat 这句是什么意思
(1 +(adoquery1.fieldbyname('zhekou').AsFloat))
adoquery1.fieldbyname('danjia').AsFloat 这句是什么意思