It's really difficult for me to pull There's one more free. It's nine to nine

It's really difficult for me to pull There's one more free. It's nine to nine

0 7（13）18 （22）（25）（27）（28）（28）
I think it should be
0+7=7
7+6=13
13+5=18
18+4=22
22+3=25
...
I don't know the meaning very well

1/2+1/4+1/8+1/16+…… 1/128=?
Simple algorithm

The higher method is not accepted. 1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + 1 / 32 + 1 / 64 + 1 / 128 = (1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + 1 / 32 + 1 / 64 + 1 / 128 + 1 / 128) - 1 / 128 = (1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + 1 / 32 + 1 / 64 + 1 / 64) - 1 / 128 = (1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + 1 / 32 + 1 / 32) - 1 / 128 = (1

Ask two questions and fill in the blanks according to the text
1. This kind of state, not only makes people (), but also calls people (), both willing (), and wants to sit down (), small poem
2. It's still the original horse, (), you can ()
A little familiar, but really can't remember

1: This kind of state makes people marvel and comfortable. They are willing to stand around for a long time and want to sit down and chant a wonderful poem
2: Or the original horse, just change the order of appearance, you can turn defeat into victory
It's in primary school books