题目

下表是某质量检验部门对部分食品抽样检测情况.(1)算出每种食品的合格率.(除不尽的百分号前保留一位小数)(2)哪种食品的合格率最高?哪种食品的合格率最低? 答案:【答案】(1)14 ÷ 14 × 100%=100%1012100%=83.3%1418100%=77.8%1021100%=47.6%(2)腐乳产品,酱腌菜【解析】合格率=合格的种数÷抽样的种数×100%。运用公式可求得这些食品的合格率,最高的是腐乳产品,最低是酱腌菜。一The song "Where Did the Time Go" us of the old days and the love of family.一Sure. It's my favorite song.A. reports B. reminds C. requires D. remembers
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