问题
解答题
一批产品有5件不合格,100件合格,合格率是100%.______.
答案
100÷(5+100)×100%,
=100÷105×100%,
≈95.2%.
答:合格率是95.2%.
故答案为:×.
一批产品有5件不合格,100件合格,合格率是100%.______.
100÷(5+100)×100%,
=100÷105×100%,
≈95.2%.
答:合格率是95.2%.
故答案为:×.
情景交际:根据对话内容,从方框内选择合适的句子补全对话。(有两项多余) | |
W: Yes. 1 M: OK. Qingdao is a nice place to visit. 2 The weather is neither hot nor c ![]() W: Sounds good. 3 M: You can get there by train. W: Shall I visit places of interest by bus in Qingdao? M: Sure. 4 W: Really perfect. 5 M: 580 yuan each person. It includes hotel and meals. W: Well, it's nice. I'd like to book (预定) the tour for two. |