2. The heads are the same, and the tails are complementary (the sum of the tails is equal to 10): formula: after a head is added with 1, the head is multiplied by the head and the tail is multiplied by the tail.
3, the first multiplier is complementary, and the other multiplier has the same number: formula: after a head is added with 1, the head is multiplied by the head and the tail is multiplied by the tail.
4, dozens of eleven times dozens of eleven: formula: head to head, head to head, tail to tail.
5. 1 1 Multiply by any number: formula: head and tail are still, middle and drop down.
6. Any number more than ten times: Formula: The first digit of the second multiplier does not fall, the single digit of the first factor is multiplied by each digit after the second factor, the next digit is added, and then it falls.
In 2022, the enrollment charter of Nantong Institute of Technology has been published, which mainly includes information such as enrol