First of all, congratulations to the children for getting the first question right.

On the second question, we must never talk about "what is the prescription". Tell the children that the definition of "phalanx" is

Then, start adding numbers, starting with 10, because 10* 10= 100, the child knows the answer, and then 9*9=8 1 is not equal to 64, wrong, 8*8=64.

So, this is the answer.

When encountering similar problems, you can first determine the answer and then tell your child to solve the problem by himself. If he still doesn't know, you can ask in a leading way-"What is a phalanx?" Knowing the meaning of phalanx can solve the problem.

The above is original, and plagiarism is prohibited.