Is Moby's love of mathematics worth buying?

Whether it is worth it varies from person to person.

Regarding mathematics enlightenment, I have evaluated many enlightenment AI courses and live classes before the teacher, and also introduced teaching AIDS similar to logic dogs, half playing and half learning;

Among them, the mathematical thinking exercise book is also the focus of more and more parents' attention. Sir Fish made a random inventory, and there are dozens of pre-school workbooks on the market. For example, Donna loves math, ladder math, and life math explosion, which can be said to be varied.

But how should parents choose the right one for their children? In today's content, Sir Fish takes Moby's love of mathematics as an example to give you an evaluation, look at its characteristics and difficulty, and make a reference for parents who are choosing exercise books.