Figure 1: Does a square include a circle?

Figure 2: Does a circle include a square?

Numbers: 3 and 1. Explain that the first picture represents the number 3, which in turn becomes 1, with a difference of 2.

Figure 3: Does a square include a triangle?

Figure 4: Does a triangle include a square?

Numbers: 6 and 4. Explain that the third picture represents the number 6, and the number 6 becomes 4 again, with a difference of 2.

The fifth picture is a triangle with a circle?

It can be inferred that the sixth picture should be a circle including a square. ?

It can be inferred from the relationship between the above two groups of graphs and numbers that there is still a difference of 2 between the fifth and sixth graphs. ?

And the difference between the second picture and the third picture is 5(6- 1), then the difference between the fourth picture and the fifth picture should be 5, then the number under the fifth picture should be 9(4+5), and the number under the sixth picture should be 7(9-2). ?