论文部分内容阅读
本刊共有48页(去封面).这里,我们编拟有关48的若干趣题.供读者玩味.1.某数学刊物共有xy页,若每天读(x+y)页,则x天恰好读完,问该刊物共有多少页?2.已知一个两位数恰好等于它的个位数字与十位数字的平方差,求这个两位数.3.一个为偶数的两位数,它的个位数字与十
This is a total of 48 pages (to cover). Here, we have prepared some interesting questions about 48. For readers to taste. 1. A mathematics publication has xy pages. If you read (x+y) pages a day, then x day is exactly finished. How many pages are there in the publication? 2. Knowing that a two-digit number exactly equals the squared difference between its ones digit and ten digits, find the two digits. 3. An even-numbered two-digit number with its ones place number and ten