Question

帮帮忙吧！学霸们，O(∩_∩)O谢谢O(∩_∩)OO(∩_∩)O

Answer 1

师傅:297÷300×100%=99%
徒弟:（200-5）÷200×100%97.5%

追答

这批厂品合格率是［（200-5）+297］÷（300+200）×100%=98.2%

Answer 2

297÷300=99%

追答

(200-5)÷200=97.5%

(297+200-5)÷(300+200)=492÷500=98.4%

Answer 3

好好

Answer 4