摘要：
The famous Glenbow Museum in Calgary isWestern Canada’s largest museum, with exhibits ranging from art to culturalhistory to mineralog... 阅读全文
摘要：
An integer is divisible by 3 if the sum ofits digits is also divisible by 3. For example, 3702 is divisible by 3 and12(3+7+0+2) is als... 阅读全文