A.\(\frac{{Ab}}{{ab}} \times \frac{{aB}}{{ab}}\)
B.\(\frac{{aB}}{{ab}} \times \frac{{ab}}{{ab}}\)
C.\(\frac{{AB}}{{ab}} \times \frac{{Ab}}{{ab}}\)
D.\(\frac{{Ab}}{{ab}} \times \frac{{AB}}{{aB}}\)
Loga
Hóa Học lớp 12
