2002年第3期“趣味数学月月赛”答案

• 出 处: 中学生数理化(初中版)
• 发表日期: 2002年04期
• 关键词: 趣味数学

1.45.99 首先我们考虑两位数,两位数的平方最少有3位,最多有4位,故分成两段后,第一段一般是两位数(不足4位时在首位前补)

1.45.99 First, we consider two-digit numbers. The square of two-digit numbers has at least 3 digits and a maximum of 4 digits. After dividing into two paragraphs, the first paragraph is usually two digits (in less than 4 digits, the first digit is added before the first).