Let's talk about which book junior high school students should read first: it must be difficult for junior high school students to train excellent students, experimental classes, extrapolate and solve
Let's talk about which book junior high school students should read first: it must be difficult for junior high school students to train excellent students, experimental classes, extrapolate and solve problems in the Olympic Games.
I'll show you the complete book of Olympic problem solving. I don't think it's so impressive. I suggest you buy "Give inferences". After all, I am impressed, but if you have time, buy the former. If you want to save money, look it up online. It will be useful!