A.\(\dfrac{{Ab}}{{aB}} \times \dfrac{{Ab}}{{aB}}\)
B.\(\dfrac{{AB}}{{ab}} \times \dfrac{{Ab}}{{aB}}\)
C.\(\dfrac{{AB}}{{ab}} \times \dfrac{{Ab}}{{ab}}\)
D.\(\dfrac{{Ab}}{{aB}} \times \dfrac{{Ab}}{{ab}}\)

Các câu hỏi liên quan