Question

So sánh không qua quy đồng: \(A=\dfrac{-7}{10^{2005}}+\dfrac{-15}{10^{2006}};B=\dfrac{-15}{10^{2005}}+\dfrac{-7}{10^{2006}}\)

Answer 1

tham khảo

https://hoc24.vn/cau-hoi/so-sanh-ko-qua-quy-donga-7102005-15102006b-15102005-7102006.78462087582#:~:text=%3D%3EA%3D,%3D%3EA%3CB

Answer 2

đó nhé