`\color{blue}{@Alg ebraist`

`@` `9xx1=9`

`@` `9xx2=18`

`@` `9xx3=27`

`@` `9xx4=36`

`@` `9xx5=45`

`@` `9xx6=54`

`@` `9xx7=63`

`@` `9xx8=72`

`@` `9xx9=81`

`@` `9xx10=90`