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Looking for laws in primary school mathematics
I want to tell you with pictures.

But the network problem.

Just ... . . . .

It should be easy to know, right? It's just that 2.3.4.5 keeps moving forward.

It is easy to see the number 5. 1. 1 in the lower right corner of each picture.

We can know that the middle two are the same law.

And the first one and the last one are the same rules.

The first one is 5= 1*2+3 (that is, the product of the above two plus the one in the lower left corner).

So the last one is 4*5+6=26.

Hmm. How interesting

The final answers are 5 and 26.