依题意得:50%x+60%(150﹣x)=80,
解得:x=100,
150﹣100=50(元).
答:《汉语成语大词典》的标价为100元,《中华上下五千年》的标价为50元
- How long does it take to get to the airport?
- Forty minutes. But it's foggy today. I'm not sure _________ the highway will be closed soon. Let's set off earlier.
青春期要特别注意营养,少参加文体活动.