In fact, if a child doesn't particularly like mathematics, don't let him learn Olympiad, which has little influence on the mathematics of the subject. If the learning content exceeds the child's ability, it will make him afraid of mathematics and make the child learn mathematics worse and worse.
Of course, on the basis of children's original good foundation and strong interest, learning Olympic Mathematics still has a positive impact on him, which helps children to spread their thinking.
For example, it is like decorating a house. If you can't see others decorating it into a luxurious house step by step, you must keep up, regardless of your family's opinion. No matter how good it is, it's useless Only one family can live comfortably, and the house will be built.