有一个五位数,用两种方法分成两部分: 第一种方法:在第二个数码和第三个数码之间分开,成为左边一个二位数,右边一个三位数; 第二种方法:在第三个数码和第四个数码之间分开,成为左边一个三位数,右边一个二位数; There is a five-digit number, divided into two parts by two methods: The first method: separate between the second number and the third number to become the left two digits, the right one three digits; the second method : Separation between the third digit and the fourth digit becomes a left three digit and a right two digit;