Little Red

smile

Everything is right. Let's talk about Xiao Ming first. After reporting 7, the other party can only report 8 or 9, and we can report to 10 in both cases. As for Xiaohong, after we offer 4, the other party can offer 7 regardless of+1 or +2, that is, whether the other party offers 5 or 6. The person who reported 7 won. Similarly, if we bid 1 first, we will definitely bid 4, which means we will win.

Game 2: The person who takes it first has a winning strategy. In other words, you take two, the remaining 30, and then you can take three or two regardless of whether the other side takes two or three, so that two people always take five in each round, and finally you must take the last one yourself (that is, if the other side takes two, you take three, if the other side takes three, you will just finish the remaining 30 matches after six rounds).