Picking up a Barbie, she happily carried it back to her dorm, as if it was her daughter's …But, who can tell me what's going on with the arrogant ghost sitting across from me!You gave my daughter back to me, ah ah ah ah!

Picking up a Barbie, she happily carried it back to her dorm, as if it was her daughter's …But, who can tell me what's going on with the arrogant ghost sitting across from me!You gave my daughter back to me, ah ah ah ah!

Picking up a Barbie, she happily carried it back to her dorm, as if it was her daughter's …But, who can tell me what's going on with the arrogant ghost sitting across from me!You gave my daughter back to me, ah ah ah ah!

Picking up a Barbie, she happily carried it back to her dorm, as if it was her daughter's …But, who can tell me what's going on with the arrogant ghost sitting across from me!You gave my daughter back to me, ah ah ah ah!

Picking up a Barbie, she happily carried it back to her dorm, as if it was her daughter's …But, who can tell me what's going on with the arrogant ghost sitting across from me!You gave my daughter back to me, ah ah ah ah!

Picking up a Barbie, she happily carried it back to her dorm, as if it was her daughter's …But, who can tell me what's going on with the arrogant ghost sitting across from me!You gave my daughter back to me, ah ah ah ah!

Natural numbers are the oldest human inventions. This volume describes their nature, laws, history and current status. The first five chapters contain not only the basics of elementary number theory for the convenience of teaching and continuity of reading, but also many latest research results. For the first time in history, the Chinese Remainder Theorem is renamed the Qin Jiushao Theorem to give him the full credit for his establishment of this famous theorem in number theory. Chapter 6 ...