CHO 𝑎 > 0, 𝑏 > 0 THỎA MÃN LOG + + (9𝑎 + 𝑏 + 1) + LOG + (3𝑎 +...

2 . - De-Chinhthuc-Toan-K18-M107-pdf
De-Chinhthuc-Toan-K18-M107-pdf

2 . C . 6. D . 5