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.\(\dfrac{{AB}}{{ab}} \times \dfrac{{aB}}{{ab}}\)
Loga
Hóa Học lớp 12
