Bottom line: Who is heaven and earth?

Part I: Mathematics helps me to become a seven-step talent.

Bottom line: Heaven and earth think he is a man in a suit and tie.

Part I: Mathematics helps me to become a seven-step talent.

Bottom line: Who is the sky falling for?

Part I: Mathematics helps me to become a seven-step talent.

Bottom line: heaven and earth think he is the party.

Part I: Mathematics helps me to become a seven-step talent.

The second part: for whom does the wind and rain fall?

Part I: Mathematics helps me to become a seven-step talent.

Bottom line: Who is the special nature of heaven and earth?

Part I: Mathematics helps me to become a seven-step talent.

Bottom line: Who is the combination of heaven and earth?

Part I: Mathematics helps me to become a seven-step talent.

Bottom line: heaven and earth fall for whom.