There are 30 matches on the table. Party A and Party B take turns to get 1 to 3 pieces at a time, and the person who gets the last 1 wins. Ask A how to win?
There are 69 pieces of sugar, and Party A and Party B take turns to take them. Each person can take any number not exceeding 10 at a time. Whoever takes the sugar and makes the other side sugar-free wins. If Party A wins first, who can win and how?
4. rob 18, and two people take turns to report the number. Starting from 1, everyone will report one number or two consecutive numbers at a time. Whoever reports first 18 wins. How to report to win?
There are two piles of matches, a pile of five and a pile of seven. Two people take turns to take it, and it is stipulated that only one pile can be taken at a time, and there is no limit to how many pieces can be taken. The last person to finish the game wins. Ask how to win?
6. Two people take turns to report the number, starting from 1. Everyone reports one number at a time or five numbers in a row. Whoever reports to 62 first wins. How to report to win?