超越预科奥数题1、In a test there were 120 questions.Limin answered 85% of the questions and obtained a score of 80%.How many of those questions she answered were in incorrect?2、In a box there were 16% more green buttons than red buttons.If
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![超越预科奥数题1、In a test there were 120 questions.Limin answered 85% of the questions and obtained a score of 80%.How many of those questions she answered were in incorrect?2、In a box there were 16% more green buttons than red buttons.If](/uploads/image/z/10161413-53-3.jpg?t=%E8%B6%85%E8%B6%8A%E9%A2%84%E7%A7%91%E5%A5%A5%E6%95%B0%E9%A2%981%E3%80%81In+a+test+there+were+120+questions.Limin+answered+85%25+of+the+questions+and+obtained+a+score+of+80%25.How+many+of+those+questions+she+answered+were+in+incorrect%3F2%E3%80%81In+a+box+there+were+16%25+more+green+buttons+than+red+buttons.If)
超越预科奥数题1、In a test there were 120 questions.Limin answered 85% of the questions and obtained a score of 80%.How many of those questions she answered were in incorrect?2、In a box there were 16% more green buttons than red buttons.If
超越预科奥数题
1、In a test there were 120 questions.Limin answered 85% of the questions and obtained a score of 80%.How many of those questions she answered were in incorrect?
2、In a box there were 16% more green buttons than red buttons.If there were 84 red buttons,how many buttons were there altogether?
以上两题翻译并求解.
超越预科奥数题1、In a test there were 120 questions.Limin answered 85% of the questions and obtained a score of 80%.How many of those questions she answered were in incorrect?2、In a box there were 16% more green buttons than red buttons.If
1、在一次测试中共有120道题.李敏回答了85%的题目,拿到了80%的分数.问她答错了几道题?120*(85%-80%)=6
2、在一个箱子里,绿色纽扣的数量比红色纽扣多(总数的)16%,如果红色纽扣有84个,问箱子里共有多少纽扣?84/[(1-16%)/2]=200.
1、设稿费为X x<=800 不收税 800<x<4000 超过800元那部分稿费的14%的税 x<=4000 应缴纳全部稿费的11%的税. 获得的稿费 为2200元 (2200-800)*0